Periodic Table of Elements with atomic weight, state, electron configuration, etc.

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Hydrogen
- Classification: Hydrogen is a nonmetal. It can become metallic at very high pressures.
- Atomic weight: 1.0079
- State: gas
- Melting point -259.14^oC, 14.01 K
- Boiling point -252.87^oC, 20.28 K
- Electrons: 1
- Protons: 1
- Neutrons in most abundant isotope: 0
- Electron shells: 1
- Electron configuration: 1s¹
- Density @ 20^oC: 0.0000899 g/cm³
Helium
- Classification: noble gas and a nonmetal
- Color: colorless
- Atomic weight: 4.00260
- State: gas
- Melting point: -272.2^oC, 0.95 K
- Note: At normal atmospheric pressure, helium does not solidify and so has no melting point. The melting point quoted above is under a pressure of 25 atmospheres.
- Boiling point: -268.9^oC, 4.2 K
- Electrons: 2
- Protons: 2
- Neutrons in most abundant isotope: 2
- Electron shells: 2
- Electron configuration: 1s²
- Density @ 20^oC: 0.0001787 g/cm³
Lithium
- Classification: alkali metal
- Color: silvery
- Atomic weight: 6.941
- State: solid
- Melting point: 180.54^oC, 453.69 K
- Boiling point: 1347^oC, 1615 K
- Electrons: 3
- Protons: 3
- Neutrons in most abundant isotope: 4
- Electron shells: 2,1
- Electron configuration 1s² 2s¹
- Density @ 20^oC 0.53 g/cm³
Beryllium
- Classification: alkali earth metal
- Color: steel gray
- Atomic weight: 9.01218
- State: solid
- Melting point: 1278^oC, 1551.2 K
- Boiling point: 2469^oC, 2742 K
- Electrons: 4
- Protons: 4
- Neutrons in most abundant isotope: 5
- Electron shells: 2,2
- Electron configuration: 1s² 2s²
- Density @ 20^oC: 1.848 g/cm³
Boron
- Classification: Boron is a metalloid
- Color: black
- Atomic weight: 10.81
- State: solid
- Melting point: 2075^oC, 2348 K
- Boiling point: 3727^oC , 4000 K
- Electrons: 5
- Protons: 5
- Neutrons in most abundant isotope: 6
- Electron shells: 2,3
- Electron configuration: 1s² 2s² 2p¹
- Density @ 20^oC: 2.34 g/cm³
Carbon
- Classification: nonmetal
- Color: black (graphite), transparent (diamond)
- Atomic weight: 12.011
- State: solid
- Melting point: 3550^oC, 3823 K
- Note: At normal atmospheric pressure, carbon does not melt when heated, it sublimes. i.e. when heated, carbon undergoes a phase change directly from solid to gas.
- If the pressure is increased to 10 atmospheres carbon (graphite) is observed to melt at 3550°C.
- Boiling point: 3825^oC, 4098 K
- The boiling point quoted is recorded when the graphite vapor pressure above subliming graphite reaches 1 atmosphere.
- Electrons: 6
- Protons: 6
- Neutrons in most abundant isotope: 6
- Electron shells: 2,4
- Electron configuration: 1s² 2s² 2p²
- Density @ 20^oC: 2.267 g/cm³ (gr), 3.513 g/cm³ (di)
Nitrogen
- Classification: Nitrogen is a gas and a nonmetal
- Color: colorless
- Atomic weight: 14.0067
- State: gas
- Melting point: -210.1^oC, 63.05 K
- Boiling point: -195.8^oC, 77.4 K
- Electrons: 7
- Protons: 7
- Neutrons in most abundant isotope: 7
- Electron shells: 2,5
- Electron configuration: 1s² 2s² 2p³
- Density @ 20^oC: 0.0012506 g/cm³
Oxygen
- Classification: Oxygen is a halogen and a nonmetal
- Color: colorless
- Atomic weight: 15.9994
- State: gas
- Melting point: -218.3^oC, 54.8 K
- Boiling point: -182.9^oC, 90.2 K
- Electrons: 8
- Protons: 8
- Neutrons in most abundant isotope: 8
- Electron shells: 2,6
- Electron configuration: 1s² 2s² 2p⁴
- Density @ 20^oC: 0.001429 g/cm³
Fluorine
- Classification: Fluorine is a halogen and a nonmetal
- Color: pale yellow
- Atomic weight: 18.998403
- State: gas
- Melting point: -219.6^oC, 53.6 K
- Boiling point: -188.1^oC, 85.1 K
- Electrons: 9
- Protons: 9
- Neutrons in most abundant isotope: 10
- Electron shells: 2,7
- Electron configuration: 1s² 2s² 2p⁵
- Density @ 20^oC: 0.001696 g/cm³
Neon
- Classification: Neon is a noble gas and a nonmetal
- Color: colorless
- Atomic weight: 20.180
- State: gas
- Melting point: -248.57^oC, 24.53 K
- Boiling point: -246.0^oC, 27.1 K
- Electrons: 10
- Protons: 10
- Neutrons in most abundant isotope: 10
- Electron shells: 2,8
- Electron configuration: 1s² 2s² 2p⁶
- Density @ 20^oC: 0.0009 g/cm³
Sodium
- Classification: Sodium is an alkali metal
- Color: silvery-white
- Atomic weight: 22.98977
- State: solid
- Melting point: 97.72^oC, 370.87 K
- Boiling point: 883^oC, 1156 K
- Electrons: 11
- Protons: 11
- Neutrons in most abundant isotope: 12
- Electron shells: 2,8,1
- Electron configuration: 1s² 2s² 2p⁶ 3s¹
- Density @ 20^oC: 0.971 g/cm³
Magnesium
- Classification: Magnesium is an alkali earth metal
- Color: silvery-white
- Atomic weight: 24.305
- State: solid
- Melting point: 650^oC, 923 K
- Boiling point: 1090^oC, 1363 K
- Electrons: 12
- Protons: 12
- Neutrons in most abundant isotope: 12
- Electron shells: 2,8,2
- Electron configuration: 1s² 2s² 2p⁶ 3s²
- Density @ 20^oC: 1.738 g/cm³
Aluminum
- Classification: Aluminum is an other metal
- Color: silvery
- Atomic weight: 26.98154 g/mol
- State: solid
- Melting point: 660.32^oC, 933.57 K
- Boiling point: 2466.85^oC, 2740.00 K
- Electrons: 13
- Protons: 13
- Neutrons in most abundant isotope: 14
- Electron shells: 2,8,3
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p¹
- Density @ 20^oC: 2.702 g/cm³
Silicon
- Classification: Silicon is a metalloid
- Color: silvery
- Atomic weight: 28.0855
- State: solid
- Melting point: 1414^oC, 1687 K
- Boiling point: 3265^oC, 3538 K
- Electrons: 14
- Protons: 14
- Neutrons in most abundant isotope: 14
- Electron shells: 2,8,4
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p²
- Density @ 20^oC: 2.33 g/cm³
Phosphorus
- Classification: Phosphorus is a nonmetal
- Color: White phosphorus is usually pale yellow
- Atomic weight: 30.97376
- State: solid
- Melting point: 44.2^oC, 317.3 K
- Boiling point: 280.5^oC, 553.7 K
- Electrons: 15
- Protons: 15
- Neutrons in most abundant isotope: 16
- Electron shells: 2,8,5
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p³
- Density @ 20^oC: 1.82 g/cm³
Sulfur
- Classification: Sulfur is a chalcogen and a nonmetal
- Color: yellow
- Atomic weight: 32.06
- State: solid
- Melting point: 115.2^oC, 388.4 K
- Boiling point: 444.7^oC, 717.9 K
- Electrons: 16
- Protons: 16
- Neutrons in most abundant isotope: 16
- Electron shells: 2,8,6
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁴
- Density @ 20^oC: 2.07 g/cm³
Chlorine
- Classification: Chlorine is a halogen and a nonmetal
- Color: greenish-yellow
- Atomic weight: 35.453
- State: gas
- Melting point: -101^oC , 172 K
- Boiling point: -34^oC , 239 K
- Electrons: 17
- Protons: 17
- Neutrons in most abundant isotope: 18
- Electron shells: 2,8,7
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁵
- Density @ 20^oC: 0.003214 g/cm³
Argon
- Classification: Argon is a noble gas and a nonmetal
- Color: colorless
- Atomic weight: 39.948
- State: gas
- Melting point: -189.3^oC, 83.85 K
- Boiling point: -185.8^oC, 87.3 K
- Electrons: 18
- Protons: 18
- Neutrons in most abundant isotope: 22
- Electron shells: 2,8,8
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶
- Density @ 20^oC: 0.001784 g/cm³
Potassium
- Classification: Potassium is an alkali metal
- Color: silvery-white
- Atomic weight: 39.0983
- State: solid
- Melting point: 63.4^oC, 336.5 K
- Boiling point: 765.6^oC, 1038.7 K
- Electrons: 19
- Protons: 19
- Neutrons in most abundant isotope: 20
- Electron shells: 2,8,8,1
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹
- Density @ 20^oC: 0.862 g/cm³
Calcium
- Classification: Calcium is an alkali earth metal
- Color: silvery-gray
- Atomic weight: 40.078
- State: solid
- Melting point: 842^oC, 1115 K
- Boiling point: 1484^oC , 1771 K
- Electrons: 20
- Protons: 20
- Neutrons in most abundant isotope: 20
- Electron shells: 2,8,8,2
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²
- Density @ 20^oC: 1.55 g/cm³
Scandium
- Classification: Scandium is a transition metal and rare earth.
- Color: silvery-white
- Atomic weight: 44.9559
- State: solid
- Melting point: 1540^oC, 1813.2 K
- Boiling point: 2830^oC, 3103 K
- Electrons: 21
- Protons: 21
- Neutrons in most abundant isotope: 24
- Electron shells: 2,8,9,2
- Electron configuration: [Ar] 3d¹ 4s²
- Density @ 20^oC: 3.0 g/cm³
Titanium
- Classification: Titanium is a transition metal
- Color: silvery-white
- Atomic weight: 47.87
- State: solid
- Melting point: 1668^oC, 1941 K
- Boiling point: 3287^oC, 3560 K
- Electrons: 22
- Protons: 22
- Neutrons in most abundant isotope: 26
- Electron shells: 2,8,10,2
- Electron configuration: [Ar] 3d² 4s²
- Density @ 20^oC: 4.50 g/cm³
Vanadium
- Classification: Vanadium is a transition metal
- Color: silvery
- Atomic weight: 50.9415
- State: solid
- Melting point: 1920^oC, 2193 K
- Boiling point: 3400^oC, 3673 K
- Electrons: 23
- Protons: 23
- Neutrons in most abundant isotope: 28
- Electron shells: 2,8,11,2
- Electron configuration: [Ar] 3d³ 4s²
- Density @ 20^oC: 6.1 g/cm³
Chromium
- Classification: Chromium is a transition metal
- Color: silver-gray
- Atomic weight: 51.996
- State: solid
- Melting point: 1907^oC, 2180 K
- Boiling point: 2670^oC, 2943 K
- Electrons: 24
- Protons: 24
- Neutrons in most abundant isotope: 28
- Electron shells: 2,8,13,1
- Electron configuration: [Ar] 3d⁵ 4s¹
- Density @ 20^oC: 7.19 g/cm³
Manganese
- Classification: Manganese is a transition metal
- Color: gray-white
- Atomic weight: 54.9380
- State: solid
- Melting point: 1250^oC, 1523 K
- Boiling point: 2060^oC, 2333 K
- Electrons: 25
- Protons: 25
- Neutrons in most abundant isotope: 30
- Electron shells: 2,8,13,2
- Electron configuration: [Ar] 3d⁵ 4s²
- Density @ 20^oC: 7.43 g/cm³
Iron
- Classification: Iron is a transition metal
- Color: silvery-gray
- Atomic weight: 55.847
- State: solid
- Melting point: 1535.1^oC, 1808.2 K
- Boiling point: 2750^oC, 3023 K
- Electrons: 26
- Protons: 26
- Neutrons in most abundant isotope: 30
- Electron shells: 2,8,14,2
- Electron configuration: [Ar] 3d⁶ 4s²
- Density @ 20^oC: 7.87 g/cm³
Cobalt
- Classification: Cobalt is a transition metal
- Color: bluish-white
- Atomic weight: 58.9332
- State: solid
- Melting point: 1495^oC, 1768 K
- Boiling point: 2930^oC, 3203 K
- Electrons: 27
- Protons: 27
- Neutrons in most abundant isotope: 32
- Electron shells: 2,8,15,2
- Electron configuration: [Ar] 3d⁷ 4s²
- Density @ 20^oC: 8.90 g/cm³
Nickel
- Classification: Nickel is a transition metal
- Color: silvery-white
- Atomic weight: 58.693
- State: solid
- Melting point: 1455^oC, 1728 K
- Boiling point: 2990^oC, 3263 K
- Electrons: 28
- Protons: 28
- Neutrons in most abundant isotope: 30
- Electron shells: 2,8,16,2
- Electron configuration: [Ar] 3d⁸ 4s²
- Density @ 20^oC: 8.91 g/cm³
Copper
- Classification: Copper is a transition metal
- Color: orange-red
- Atomic weight: 63.546
- State: solid
- Melting point: 1084.62^oC, 1357.77 K
- Boiling point: 2560^oC, 2833 K
- Electrons: 29
- Protons: 29
- Neutrons in most abundant isotope: 34
- Electron shells: 2,8,18,1
- Electron configuration: [Ar] 3d¹⁰ 4s¹
- Density @ 20^oC: 8.96 g/cm³
Zinc
- Classification: Zinc is a transition metal
- Color: bluish silver
- Atomic weight: 65.41
- State: solid
- Melting point: 419.53^oC, 692.68 K
- Boiling point: 910^oC, 1183 K
- Electrons: 30
- Protons: 30
- Neutrons in most abundant isotope: 34
- Electron shells: 2,8,18,2
- Electron configuration: [Ar] 3d¹⁰ 4s²
- Density @ 20^oC: 7.14 g/cm³
Gallium
- Classification: Gallium is an ‘other metal’
- Color: silvery-blue
- Atomic weight: 69.723
- State: solid
- Melting point: 29.76^oC, 302.91 K
- Boiling point: 2200^oC, 2473 K
- Electrons: 31
- Protons: 31
- Neutrons in most abundant isotope: 40
- Electron shells: 2,8,18,3
- Electron configuration: [Ar] 3d¹⁰ 4s² 4p¹
- Density @ 20^oC: 5.907 g/cm³
Germanium
- Classification: Germanium is a metalloid
- Color: gray-white
- Atomic weight: 72.64
- State: solid
- Melting point: 938^oC, 1210.6 K
- Boiling point: 2830^oC, 3103 K
- Electrons: 32
- Protons: 32
- Neutrons in most abundant isotope: 42
- Electron shells: 2,8,18,4
- Electron configuration: [Ar] 3d¹⁰ 4s² 4p²
- Density @ 20^oC: 5.323 g/cm³
Arsenic
- Classification: Arsenic is a metalloid
- Color: gray
- Atomic weight: 74.9216
- State: solid
- Melting point: 817^oC, 1090 K
- Note: At normal atmospheric pressure arsenic does not melt when heated, it sublimes. i.e. when heated, arsenic undergoes a phase change directly from solid to gas.
- The melting point quoted above is for gray arsenic under a pressure of 28 atmospheres.
- Boiling point: 603^oC, 876 K
- Electrons: 33
- Protons: 33
- Neutrons in most abundant isotope: 42
- Electron shells: 2,8,18,5
- Electron configuration: [Ar] 3d¹⁰ 4s² 4p³
- Density @ 20^oC: 5.776 g/cm³
Selenium
- Classification: Selenium is a halogen and a nonmetal
- Color: gray or red (crystalline), black or
- red (amorphous)
- Atomic weight: 78.96
- State: solid
- Melting point: 220^oC, 493 K
- Boiling point: 685^oC, 958 K
- Electrons: 34
- Protons: 34
- Neutrons in most abundant isotope: 46
- Electron shells: 2,8,18,6
- Electron configuration: [Ar] 3d¹⁰ 4s² 4p⁴
- Density @ 20^oC: 4.79 g/cm³
Bromine
- Classification: Bromine is a halogen and a nonmetal
- Color: red-brown
- Atomic weight: 79.904
- State: liquid
- Melting point: -7^oC , 277 K
- Boiling point: 58.9^oC, 332 K
- Electrons: 35
- Protons: 35
- Neutrons in most abundant isotope: 44
- Electron shells: 2,8,18,7
- Electron configuration: [Ar] 3d¹⁰ 4s² 4p⁵
- Density @ 20^oC: 3.122 g/cm³
Krypton
- Classification: Krypton is a noble gas and a nonmetal
- Color: colorless
- Atomic weight: 83.80
- State: gas
- Melting point: -157.3^oC, 115.9 K
- Boiling point: -153.2^oC, 119.4 K
- Electrons: 36
- Protons: 36
- Neutrons in most abundant isotope: 48
- Electron shells: 2,8,18,8
- Electron configuration: [Ar] 3d¹⁰ 4s² 4p⁶
- Density @ 20^oC: 0.003708 g/cm³
Rubidium
- Classification: Rubidium is an alkali metal
- Color: silvery-white
- Atomic weight: 85.468
- State: solid
- Melting point: 39.3^oC, 312.45 K
- Boiling point: 690^oC, 963 K
- Electrons: 37
- Protons: 37
- Neutrons in most abundant isotope: 48
- Electron shells: 2,8,18,8,1
- Electron configuration: [Kr] 5s¹
- Density @ 20^oC: 1.53 g/cm³
Strontium
- Classification: Strontium is an alkali earth metal
- Color: silvery
- Atomic weight: 87.62
- State: solid
- Melting point: 777^oC, 1050 K
- Boiling point: 1380^oC, 1653 K
- Electrons: 38
- Protons: 38
- Neutrons in most abundant isotope: 50
- Electron shells: 2,8,18,8,2
- Electron configuration: [Kr] 5s²
- Density @ 20^oC: 2.6 g/cm³
Yttrium
- Classification: Yttrium is a transition metal & rare earth
- Color: silvery-white
- Atomic weight: 88.9059
- State: solid
- Melting point: 1525^oC, 1798 K
- Boiling point: 3340^oC, 3613 K
- Electrons: 39
- Protons: 39
- Neutrons in most abundant isotope: 50
- Electron shells: 2,8,18,9,2
- Electron configuration: [Kr] 4d¹ 5s²
- Density @ 20^oC: 4.47 g/cm³
Zirconium
- Classification: Zirconium is a transition metal
- Color: grayish-white
- Atomic weight: 91.22
- State: solid
- Melting point: 1850^oC, 2123 K
- Boiling point: 4400^oC, 4673 K
- Electrons: 40
- Protons: 40
- Neutrons in most abundant isotope: 50
- Electron shells: 2,8,18,10,2
- Electron configuration: [Kr] 4d² 5s²
- Density @ 20^oC: 6.52 g/cm³
Niobium
- Classification: Niobium is a transition metal
- Color: silvery-white
- Atomic weight: 92.9064
- State: solid
- Melting point: 2477^oC, 2750 K
- Boiling point: 4744^oC, 5017 K
- Electrons: 41
- Protons: 41
- Neutrons in most abundant isotope: 52
- Electron shells: 2,8,18,12,1
- Electron configuration: [Kr] 4d⁴ 5s¹
- Density @ 20^oC: 8.57 g/cm³
Molybdenum
- Classification: Molybdenum is a transition metal
- Color: silvery-white
- Atomic weight: 95.94
- State: solid
- Melting point: 2623^oC, 2896 K
- Boiling point: 4640^oC, 4913 K
- Electrons: 42
- Protons: 42
- Neutrons in most abundant isotope: 56
- Electron shells: 2,8,18,13,1
- Electron configuration: [Kr] 4d⁵ 5s¹
- Density @ 20^oC: 10.2 g/cm³
Technetium
- Classification: Technetium is a transition metal
- Color: silver-gray
- Atomic weight: (98), no stable isotopes
- State: solid
- Melting point: 2160^oC, 2433 K
- Boiling point: 4260^oC, 4533 K
- Electrons: 43
- Protons: 43
- Neutrons in most abundant isotope: 55
- Electron shells: 2,8,18,14,1
- Electron configuration: [Kr] 4d⁶ 5s¹
- Density @ 20^oC: 11.5 g/cm³
Ruthenium
- Classification: Ruthenium is a transition metal
- Color: silvery-white
- Atomic weight: 101.07
- State: solid
- Melting point: 2330^oC, 2603 K
- Boiling point: 4150^oC, 4423 K
- Electrons: 44
- Protons: 44
- Neutrons in most abundant isotope: 58
- Electron shells: 2,8,18,15,1
- Electron configuration: [Kr] 4d⁷ 5s¹
- Density @ 20^oC: 12.2 g/cm³
Rhodium
- Classification: Rhodium is a transition metal
- Color: silvery-white
- Atomic weight: 102.9055
- State: solid
- Melting point: 1963^oC, 2236 K
- Boiling point: 3695^oC, 3968 K
- Electrons: 45
- Protons: 45
- Neutrons in most abundant isotope: 58
- Electron shells: 2,8,18,16,1
- Electron configuration: [Kr] 4d⁸ 5s¹
- Density @ 20^oC: 12.4 g/cm³
Palladium
- Classification: Palladium is a transition metal
- Color: silvery-white
- Atomic weight: 106.4
- State: solid
- Melting point: 1555^oC, 1828 K
- Boiling point: 2960^oC, 3233 K
- Electrons: 46
- Protons: 46
- Neutrons in most abundant isotope: 60
- Electron shells: 2,8,18,18
- Electron configuration: [Kr] 4d¹⁰
- Density @ 20^oC: 12.02 g/cm³
Silver
- Classification: Silver is a transition metal
- Color: silver
- Atomic weight: 107.868
- State: solid
- Melting point: 961.95^oC, 1235.1 K
- Boiling point: 2155^oC, 2428 K
- Electrons: 47
- Protons: 47
- Neutrons in most abundant isotope: 60
- Electron shells: 2,8,18,18,1
- Electron configuration: [Kr] 4d¹⁰ 5s¹
- Density @ 20^oC: 10.5 g/cm³
Cadmium
- Classification: Cadmium is a transition metal
- Color: bluish-white
- Atomic weight: 112.41
- State: solid
- Melting point: 321.1^oC, 594.3 K
- Boiling point: 765^oC, 1038 K
- Electrons: 48
- Protons: 48
- Neutrons in most abundant isotope: 66
- Electron shells: 2,8,18,18,2
- Electron configuration: [Kr] 4d¹⁰ 5s²
- Density @ 20^oC: 8.65 g/cm³
Indium
- Classification: Indium is an ‘other metal’
- Color: silvery-white
- Atomic weight: 114.82
- State: solid
- Melting point: 156.6^oC, 429.8 K
- Boiling point: 2070^oC, 2343 K
- Electrons: 49
- Protons: 49
- Neutrons in most abundant isotope: 66
- Electron shells: 2,8,18,18,3
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p¹
- Density @ 20^oC: 7.31 g/cm³
Tin
- Classification: Tin can behave as an ‘other metal’ (white tin)
- or a nonmetal (gray tin).
- Color: silvery-white
- Atomic weight: 118.69
- State: solid
- Melting point: 231.928^oC, 505.078 K
- Boiling point: 2620^oC, 2893 K
- Electrons: 50
- Protons: 50
- Neutrons in most abundant isotope: 70
- Electron shells: 2,8,18,18,4
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p²
- Density @ 20^oC: 7.30 g/cm³
Antimony
- Classification: Antimony is a metalloid
- Color: silvery white
- Atomic weight: 121.760
- State: solid
- Melting point: 630.79^oC, 903.94 K
- Boiling point: 1587^oC, 1860 K
- Electrons: 51
- Protons: 51
- Neutrons in most abundant isotope: 70
- Electron shells: 2,8,18,18,5
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p³
- Density @ 20^oC: 6.684 g/cm³
Tellurium
- Classification: Tellurium is a chalcogen and a metalloid
- Color: silvery
- Atomic weight: 127.60
- State: solid
- Melting point: 450^oC, 723 K
- Boiling point: 990^oC, 1263 K
- Electrons: 52
- Protons: 52
- Neutrons in most abundant isotope: 78
- Electron shells: 2,8,18,18,6
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p⁴
- Density @ 20^oC: 6.24 g/cm³
Iodine
- Classification: Iodine is a halogen and a nonmetal
- Color: bluish-black solid, purple vapor
- Atomic weight: 126.9045
- State: solid
- Melting point: 113.5^oC, 386.6 K
- Boiling point: 184^oC, 457 K
- Electrons: 53
- Protons: 53
- Neutrons in most abundant isotope: 74
- Electron shells: 2,8,18,18,7
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p⁵
- Density @ 20^oC: 4.93 g/cm³
Xenon
- Classification: Xenon is a noble gas and a nonmetal
- Color: colorless
- Atomic weight: 131.29
- State: gas
- Melting point: -118.8^oC, 161.3 K
- Boiling point: -108.1^oC, 165 K
- Electrons: 54
- Protons: 54
- Neutrons in most abundant isotope: 78
- Electron shells: 2,8,18,18,8
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p⁶
- Density @ 20^oC: 0.00588 g/cm³
Cesium
- Classification: Cesium is an alkali metal
- Color: yellow/silvery
- Atomic weight: 132.9055
- State: solid
- Melting point: 28.4^oC , 301.6 K
- Boiling point: 670^oC, 943.2 K
- Electrons: 55
- Protons: 55
- Neutrons in most abundant isotope: 78
- Electron shells: 2,8,18,18,8,1
- Electron configuration: [Xe] 6s¹
- Density @ 20^oC: 1.873 g/cm³
Barium
- Classification: Barium is an alkali earth metal
- Color: silvery white
- Atomic weight: 137.33
- State: solid
- Melting point: 725^oC, 998.2 K
- Boiling point: 1897^oC, 2170 K
- Electrons: 56
- Protons: 56
- Neutrons in most abundant isotope: 82
- Electron shells: 2,8,18,18,8,2
- Electron configuration: [Xe] 6s²
- Density @ 20^oC: 3.59 g/cm³
Lanthanum
- Classification: Lanthanum is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 138.9055
- State: solid
- Melting point: 1540^oC, 1813.2 K
- Boiling point: 2830^oC, 3103 K
- Electrons: 57
- Protons: 57
- Neutrons in most abundant isotope: 82
- Electron shells: 2,8,18,18,9,2
- Electron configuration: [Xe] 5d¹ 6s²
- Density @ 20^oC: 6.16 g/cm³
Cerium
- Classification: Cerium is a lanthanide and rare earth metal
- Color: gray
- Atomic weight: 140.12
- State: solid
- Melting point: 798^oC, 1071 K
- Boiling point: 3443^oC, 3716 K
- Electrons: 58
- Protons: 58
- Neutrons in most abundant isotope: 82
- Electron shells: 2,8,18,20,8,2
- Electron configuration: [Xe] 4f² 6s²
- Density @ 20^oC: 6.78 g/cm³
Praseodymium
- Classification: Praseodymium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 140.9077
- State: solid
- Melting point: 931^oC, 1204 K
- Boiling point: 3510^oC, 3783 K
- Electrons: 59
- Protons: 59
- Neutrons in most abundant isotope: 82
- Electron shells: 2,8,18,21,8,2
- Electron configuration: [Xe] 4f³ 6s²
- Density @ 20^oC: 6.77 g/cm³
Neodymium
- Classification: Neodymium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 144.24
- State: solid
- Melting point: 1016^oC, 1289 K
- Boiling point: 3070^oC, 3343 K
- Electrons: 60
- Protons: 60
- Neutrons in most abundant isotope: 82
- Electron shells: 2,8,18,22,8,2
- Electron configuration: [Xe] 4f⁴ 6s²
- Density @ 20^oC: 7.0 g/cm³
Promethium
- Classification: Promethium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: (145), no stable isotopes
- State: solid
- Melting point: 1142^oC, 1415 K
- Boiling point: 3300^oC, 3573 K
- Electrons: 61
- Protons: 61
- Neutrons in most abundant isotope: 84
- Electron shells: 2,8,18,23,8,2
- Electron configuration: [Xe] 4f⁵ 6s²
- Density @ 20^oC: 7.220 g/cm³
Samarium
- Classification: Samarium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 150.4
- State: solid
- Melting point: 1170^oC, 1443 K
- Boiling point: 1790^oC, 2063 K
- Electrons: 62
- Protons: 62
- Neutrons in most abundant isotope: 90
- Electron shells: 2,8,18,24,8,2
- Electron configuration: [Xe] 4f⁶ 6s²
- Density @ 20^oC: 7.54 g/cm³
Europium
- Classification: Europium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 151.96
- State: solid
- Melting point: 822^oC, 1095 K
- Boiling point: 1600^oC, 1873 K
- Electrons: 63
- Protons: 63
- Neutrons in most abundant isotope: 90
- Electron shells: 2,8,18,25,8,2
- Electron configuration: [Xe] 4f⁷ 6s²
- Density @ 20^oC: 5.248 g/cm³
Gadolinium
- Classification: Gadolinium is a rare earth metal
- Color: silvery-white
- Atomic weight: 157.25 g/mol
- State: solid
- Melting point: 1314^oC, 1587 K
- Boiling point: 3260^oC, 3533 K
- Electrons: 64
- Protons: 64
- Neutrons in most abundant isotope: 94
- Electron shells: 2,8,18,25,9,2
- Electron configuration: [Xe] 4f⁷ 5d¹ 6s²
- Density @ 20^oC: 7.895 g/cm³
Terbium
- Classification: Terbium is a lanthanide and rare earth metal
- Color: silvery-gray
- Atomic weight: 158.9254
- State: solid
- Melting point: 1360^oC, 1633 K
- Boiling point: 3220^oC, 3493 K
- Electrons: 65
- Protons: 65
- Neutrons in most abundant isotope: 94
- Electron shells: 2,8,18,27,8,2
- Electron configuration: [Xe] 4f⁹ 6s²
- Density @ 20^oC: 8.27 g/cm³
Dysprosium
- Classification: Dysprosium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 162.50
- State: solid
- Melting point: 1410^oC, 1683 K
- Boiling point: 2560^oC , 2833 K
- Electrons: 66
- Protons: 66
- Neutrons in most abundant isotope: 98
- Electron shells: 2,8,18,28,8,2
- Electron configuration: [Xe] 4f¹⁰ 6s²
- Density @ 20^oC: 8.536 g/cm³
HolmiumClassification: Holmium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 164.9303
- State: solid
- Melting point: 1470^oC, 1743 K
- Boiling point: 2700^oC, 2973 K
- Electrons: 67
- Protons: 67
- Neutrons in most abundant isotope: 98
- Electron shells: 2,8,18,29,8,2
- Electron configuration: [Xe] 4f¹¹ 6s²
- Density @ 20^oC: 8.80 g/cm³
Erbium
- Classification: Erbium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 167.26
- State: solid
- Melting point: 1530^oC, 1803 K
- Boiling point: 2860^oC, 3133 K
- Electrons: 68
- Protons: 68
- Neutrons in most abundant isotope: 98
- Electron shells: 2,8,18,30,8,2
- Electron configuration: [Xe] 4f¹² 6s²
- Density @ 20^oC: 9.05 g/cm³
Thulium
- Classification: Thulium is a lanthanide and rare earth metal
- Color: silvery-gray
- Atomic weight: 168.9342
- State: solid
- Melting point: 1550^oC, 1823 K
- Boiling point: 1950^oC, 2223 K
- Electrons: 69
- Protons: 69
- Neutrons in most abundant isotope: 100
- Electron shells: 2,8,18,31,8,2
- Electron configuration: [Xe] 4f¹³ 6s²
- Density @ 20^oC: 9.33 g/cm³
Ytterbium
- Classification: Ytterbium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 173.04
- State: solid
- Melting point: 824^oC, 1097 K
- Boiling point: 1200^oC, 1473 K
- Electrons: 70
- Protons: 70
- Neutrons in most abundant isotope: 104
- Electron shells: 2,8,18,32,8,2
- Electron configuration: [Xe] 4f¹⁴ 6s²
- Density @ 20^oC: 6.97 g/cm³
Lutetium
- Classification: Lutetium is a lanthanide and rare earth metal
- Color: silvery-white
- Atomic weight: 174.97
- State: solid
- Melting point: 1660^oC, 1933 K
- Boiling point: 3390^oC, 3663 K
- Electrons: 71
- Protons: 71
- Neutrons in most abundant isotope: 104
- Electron shells: 2,8,18,32,9,2
- Electron configuration: [Xe] 4f¹⁴ 6s²
- Density @ 20^oC: 9.8 g/cm³
- Atomic volume: 17.78 cm³/mol
- Structure: hexagonal close packed
Hafnium
- Classification: Hafnium is a transition metal
- Color: silvery
- Atomic weight: 178.49
- State: solid
- Melting point: 2230^oC, 2503 K
- Boiling point: 4600^oC, 4873 K
- Electrons: 72
- Protons: 72
- Neutrons in most abundant isotope: 108
- Electron shells: 2,8,18,32,10,2
- Electron configuration: [Xe] 4f¹⁴ 5d² 6s²
- Density @ 20^oC: 13.2 g/cm³
Tantalum
- Classification: Tantalum is a transition metal
- Color: gray
- Atomic weight: 180.947
- State: solid
- Melting point: 3020^oC, 3293 K
- Boiling point: 5560^oC, 5833 K
- Electrons: 73
- Protons: 73
- Neutrons in most abundant isotope: 108
- Shells: 2,8,18,32,11,2
- Electron configuration: [Xe] 4f¹⁴ 5d³ 6s²
- Density @ 20^oC: 16.6 g/cm³
Tungsten
- Classification: Tungsten is a transition metal
- Color: silvery-white
- Atomic weight: 183.84
- State: solid
- Melting point: 3422^oC, 3695 K
- Boiling point: 5550^oC, 5823 K
- Electrons: 74
- Protons: 74
- Neutrons in most abundant isotope: 110
- Electron shells: 2,8,18,32,12,2
- Electron configuration: [Xe] 4f¹⁴ 5d⁴ 6s²
- Density @ 20^oC: 19.3 g/cm³
Rhenium
- Classification: Rhenium is a transition metal
- Color: silvery-white
- Atomic weight: 186.207
- State: solid
- Melting point: 3186^oC, 3459 K
- Boiling point: 5596^oC, 5869 K
- Electrons: 75
- Protons: 75
- Neutrons in most abundant isotope: 112
- Electron shells: 2,8,18,32,13,2
- Electron configuration: [Xe] 4f¹⁴ 5d⁵ 6s²
- Density @ 20^oC: 21.0 g/cm³
Osmium
- Classification: Osmium is a transition metal
- Color: bluish-white
- Atomic weight: 190.2
- State: solid
- Melting point: 3030^oC, 3303 K
- Boiling point: 5012^oC, 5285 K
- Electrons: 76
- Protons: 76
- Neutrons in most abundant isotope: 116
- Electron shells: 2,8,18,32,14,2
- Electron configuration: [Xe] 4f¹⁴ 5d⁶ 6s²
- Density @ 20^oC: 22.61 g/cm³
Iridium
- Classification: Iridium is a transition metal
- Color: silvery-white
- Atomic weight: 192.22
- State: solid
- Melting point: 2447^oC, 2720 K
- Boiling point: 4430^oC, 4703 K
- Electrons: 77
- Protons: 77
- Neutrons in most abundant isotope: 116
- Electron shells: 2,8,18,32,15,2
- Electron configuration: [Xe] 4f¹⁴ 5d⁷ 6s²
- Density @ 20^oC: 22.56 g/cm³
Platinum
- Classification: Platinum is a transition metal
- Color: silvery-white
- Atomic weight: 195.08
- State: solid
- Melting point: 1768^oC, 2041 K
- Boiling point: 3820^oC, 4093 K
- Electrons: 78
- Protons: 78
- Neutrons in most abundant isotope: 117
- Electron shells: 2, 8, 18, 32, 17, 1
- Electron configuration: [Xe] 4f¹⁴ 5d⁹ 6s¹
- Density @ 20^oC: 21.45 g/cm³
Gold
- Classification: Gold is a transition metal
- Color: golden yellow
- Atomic weight: 196.9665
- State: solid
- Melting point: 1064.18^oC, 1337.33 K
- Boiling point: 2850^oC, 3123 K
- Electrons: 79
- Protons: 79
- Neutrons in most abundant isotope: 118
- Electron shells: 2,8,18,32,18,1
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s¹
- Density @ 20^oC: 19.32 g/cm³
Mercury
- Classification: Mercury is a transition metal
- Color: silvery-white
- Atomic weight: 200.59
- State: liquid
- Melting point: -38.83^oC, 234.32 K
- Boiling point: 356.73^oC, 629.88 K
- Electrons: 80
- Protons: 80
- Neutrons in most abundant isotope: 122
- Electron shells: 2,8,18,32,18,2
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s²
- Density @ 20^oC: 13.546 g/cm³
Thallium
- Classification: Thallium is an ‘other metal’
- Color: silvery-gray
- Atomic weight: 204.383
- State: solid
- Melting point: 304^oC, 577 K
- Boiling point: 1473^oC, 1746 K
- Electrons: 81
- Protons: 81
- Neutrons in most abundant isotope: 124
- Electron shells: 2,8,18,32,18,3
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹
- Density @ 20^oC: 11.85 g/cm³
Lead
- Classification: Lead is an ‘other metal’
- Color: bluish gray
- Atomic weight: 207.2
- State: solid
- Melting point: 327.46^oC, 600.61 K
- Boiling point: 1750^oC, 2023 K
- Electrons: 82
- Protons: 82
- Neutrons in most abundant isotope: 126
- Electron shells: 2,8,18,32,18,4
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
- Density @ 20^oC: 11.34 g/cm³
Bismuth
- Classification: Bismuth is an ‘other metal’
- Color: silver-white
- Atomic weight: 208.9804
- State: solid
- Melting point: 271.4^oC, 544.5 K
- Boiling point: 1564^oC, 1837 K
- Electrons: 83
- Protons: 83
- Neutrons in most abundant isotope: 126
- Electron shells: 2,8,18,32,18,5
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
- Density @ 20^oC: 9.807 g/cm³
Polonium
- Classification: Polonium is a chalcogen and a metalloid
- Color: silvery-gray
- Atomic weight: (209), no stable isotopes
- State: solid
- Melting point: 254^oC, 527 K
- Boiling point: 960^oC, 1233 K
- Electrons: 84
- Protons: 84
- Neutrons in most abundant isotope: 125
- Electron shells: 2,8,18,32,18,6
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
- Density @ 20^oC: 9.4 g/cm³
Astatine
- Classification: Astatine is a halogen and a nonmetal
- Color: Presumed very dark
- Atomic weight: (210), no stable isotopes
- State: solid
- Melting point: 302^oC, 575.2 K
- Boiling point: 337^oC, 610 K
- Electrons: 85
- Protons: 85
- Neutrons in most abundant isotope: 125
- Electron shells: 2,8,18,32,18,7
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵
- Density @ 20^oC: 7 g/cm³ approx.
Radon
- Classification: Radon is a noble gas and a nonmetal
- Color: colorless
- Atomic weight: (222), no stable isotopes
- State: gas
- Melting point: -71^oC, 202 K
- Boiling point: -62^oC, 211 K
- Electrons: 86
- Protons: 86
- Neutrons in most abundant isotope: 136
- Electron shells: 2,8,18,32,18,8
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶
- Density @ 20^oC: 0.00973 g/cm³
Francium
- Classification: Francium is an alkali metal
- Color: silver-gray-metallic (presumed)
- Atomic weight: (223), no stable isotopes
- State: solid
- Melting point: 27^oC , 300 K
- Boiling point: 677^oC, 950 K
- Electrons: 87
- Protons: 87
- Neutrons in most abundant isotope: 136
- Electron shells: 2,8,18,32,18,8,1
- Electron configuration: [Rn] 7s¹
- Density @ 20^oC: 1.873 g/cm³
Radium
- Classification: Radium is an alkali earth metal
- Color: silvery white
- Atomic weight: (226), no stable isotopes
- State: solid
- Melting point: 700^oC, 973 K
- Boiling point: 1500^oC, 1773 K
- Electrons: 88
- Protons: 88
- Neutrons in most abundant isotope: 138
- Electron shells: 2,8,18,32,18,8,2
- Electron configuration: [Rn] 7s²
- Density @ 20^oC: 5.5 g/cm³
Actinium
- Classification: Actinium is an actinide metal
- Color: silvery-white
- Atomic weight: (227), no stable isotopes
- State: solid
- Melting point: 1050^oC, 1323 K
- Boiling point: 3199^oC, 3471 K
- Electrons: 89
- Protons: 89
- Neutrons in most abundant isotope: 138
- Electron shells: 2,8,18,32,18,9,2
- Electron configuration: [Rn] 6d¹ 7s²
- Density @ 20^oC: 10.07 g/cm³
Thorium
- Classification: Thorium is an actinide metal
- Color: silvery
- Atomic weight: 232.0381, no stable isotopes
- State: solid
- Melting point: 1750^oC, 2023 K
- Boiling point: 4790^oC, 5063 K
- Electrons: 90
- Protons: 90
- Neutrons in most abundant isotope: 142
- Electron shells: 2,8,18,32,18,10,2
- Electron configuration: [Rn] 6d² 7s²
- Density @ 20^oC: 11.7 g/cm³
- Atomic volume: 19.9 cm³/mol
- Structure: face-centered cubic
Protactinium
- Classification: Protactinium is an actinide metal
- Color: silvery
- Atomic weight: 231.0359, no stable isotopes
- State: solid
- Melting point: 1570^oC, 1843 K
- Boiling point: 4000^oC, 4273 K
- Electrons: 91
- Protons: 91
- Neutrons in most abundant isotope: 140
- Electron shells: 2,8,18,32,20,9,2
- Electron configuration: [Rn] 5f² 6d¹ 7s²
- Density @ 20^oC: 15.4 g/cm³
Uranium
- Classification: Uranium is an actinide metal
- Color: silvery-white
- Atomic weight: 238.0289, no stable isotopes
- State: solid
- Melting point: 1135^oC, 1408 K
- Boiling point: 4130^oC, 4403 K
- Electrons: 92
- Protons: 92
- Neutrons in most abundant isotope: 146
- Electron shells: 2,8,18,32,21,9,2
- Electron configuration: [Rn] 5f⁴ 6d¹ 7s²
- Density @ 20^oC: 18.9 g/cm³
Neptunium
- Classification: Neptunium is an actinide metal
- Color: silvery
- Atomic weight: (237), no stable isotopes
- State: solid
- Melting point: 640^oC, 913 K
- Boiling point: 3900^oC, 4173 K
- Electrons: 93
- Protons: 93
- Neutrons in most abundant isotope: 144
- Electron shells: 2,8,18,32,23,8,2
- Electron configuration: [Rn] 5f⁴ 6d¹ 7s²
- Density @ 20^oC: 20.45 g/cm³
Plutonium
- Classification: Plutonium is an actinide metal
- Color: silvery-white
- Atomic weight: (244), no stable isotopes
- State: solid
- Melting point: 639.4^oC, 912.5 K
- Boiling point: 3230^oC, 3503 K
- Electrons: 94
- Protons: 94
- Neutrons in most abundant isotope: 150
- Electron shells: 2,8,18,32,24,8,2
- Electron configuration: [Rn] 5f⁶ 7s²
- Density @ 20^oC: 19.8 g/cm³
Americium
- Classification: Americium is an actinide metal
- Color: silvery-white
- Atomic weight: (243), no stable isotopes
- State: solid
- Melting point: 1176^oC, 1449 K
- Boiling point: 2607^oC, 2880 K
- Electrons: 95
- Protons: 95
- Neutrons in most abundant isotope: 148
- Electron shells: 2,8,18,32,25,8,2
- Electron configuration: [Rn] 5f⁷ 7s²
- Density @ 20^oC: 13.67 g/cm³
Curium
- Classification: Curium is an actinide metal
- Color: silvery-white
- Atomic weight: (247), no stable isotopes
- State: solid
- Melting point: 1340^oC , 1613 K
- Boiling point: 3100^oC , 3373 K
- Electrons: 96
- Protons: 96
- Neutrons in most abundant isotope: 151
- Electron shells: 2,8,18,32,25,9,2
- Electron configuration: [Rn] 5f⁷ 6d¹ 7s²
- Density @ 20^oC: 13.5 g/cm³
Berkelium
- Classification: Berkelium is an actinide metal
- Color: silvery-white
- Atomic weight: (247), no stable isotopes
- State: solid
- Melting point: 986^oC, 1259.2 K
- Boiling point: 2900^oC, 3173 K
- Electrons: 97
- Protons: 97
- Neutrons in most abundant isotope: 150
- Electron shells: 2,8,18,32,27,8,2
- Electron configuration: [Rn] 5f⁹ 7s²
- Density @ 20^oC: 14.79 g/cm³
Californium
- Classification: Californium is an actinide metal
- Color: silvery-white
- Atomic weight: (251), no stable isotopes
- State: solid
- Melting point: 900^oC, 1173 K
- Boiling point: 1472^oC, 1745 K (estimated)
- Electrons: 98
- Protons: 98
- Neutrons in most abundant isotope: 153
- Electron shells: 2,8,18,32,28,8,2
- Electron configuration: [Rn] 5f¹⁰ 7s²
- Density @ 20^oC: 13.67 g/cm³
Einsteinium
- Classification: Einsteinium is an actinide metal
- Color:
- Atomic weight: (252), no stable isotopes
- State: solid
- Melting point: 860^oC, 1133 K
- Boiling point:
- Electrons: 99
- Protons: 99
- Neutrons in most abundant isotope: 153
- Electron shells: 2,8,18,32,29,8,2
- Electron configuration: [Rn] 5f¹¹ 7s²
- Density @ 20^oC: 8.84 g/cm³
Fermium
- Classification: Fermium is an actinide metal
- Color:
- Atomic weight: (257), no stable isotopes
- State: solid
- Melting point: 1527^oC, 1800 K
- Boiling point:
- Electrons: 100
- Protons: 100
- Neutrons in most abundant isotope: 157
- Electron shells: 2,8,18,32,30,8,2
- Electron configuration: [Rn] 5f¹² 7s²
- Density @ 20^oC: 8.84 g/cm³
Mendelevium
- Classification: Mendelevium is an actinide metal
- Color:
- Atomic weight: (258), no stable isotopes
- State: solid
- Melting point: 827^oC, 1100 K
- Boiling point:
- Electrons: 101
- Protons: 101
- Neutrons in most abundant isotope: 157
- Electron shells: 2,8,18,32,31,8,2
- Electron configuration: [Rn] 5f¹² 7s²
Nobelium
- Classification: Nobelium is an actinide metal
- Color:
- Atomic weight: (259), no stable isotopes
- State: solid
- Melting point:
- Boiling point:
- Electrons: 102
- Protons: 102
- Neutrons in most abundant isotope: 157
- Electron shells: 2,8,18,32,32,8,2
- Electron configuration: [Rn] 5f¹⁴ 7s²
Lawrencium
- Classification: Lawrencium is an actinide metal
- Color:
- Atomic weight: (262), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 103
- Protons: 103
- Neutrons in most abundant isotope: 159
- Electron shells: 2,8,18,32,32,9,2
- Electron configuration: [Rn] 5f¹⁴ 6d¹ 7s²
Rutherfordium
- Classification: Rutherfordium is a transition metal
- Color:
- Atomic weight: (267), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 104
- Protons: 104
- Neutrons in most abundant isotope: 163
- Electron shells: 2,8,18,32,32,10,2
- Electron configuration: [Rn] 5f¹⁴ 6d² 7s²
Dubnium
- Classification: Dubnium is a transition metal
- Color:
- Atomic weight: 268, no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 105
- Protons: 105
- Neutrons in most abundant isotope: 163
- Electron shells: 2,8,18,32,32,11,2
- Electron configuration: [Rn] 5f¹⁴ 6d³ 7s²
Seaborgium
- Classification: Seaborgium is a transition metal
- Atomic weight: (271), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 106
- Protons: 106
- Neutrons in most abundant isotope: 165
- Electron shells: 2,8,18,32,32,12,2
- Electron configuration: [Rn] 5f¹⁴ 6d⁴ 7s²
Bohrium
- Classification: Bohrium is a transition metal
- Color: steel gray presumed
- Atomic weight: (270), no stable isotopes
- State: solid
- Melting point:
- Boiling point:
- Electrons: 107
- Protons: 107
- Neutrons in most abundant isotope: 163
- Electron shells: 2,8,18,32,32,13,2
- Electron configuration: [Rn] 5f¹⁴ 6d² 7s²
Hassium
- Classification: Hassium is a transition metal
- Color:
- Atomic weight: (269), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 108
- Protons: 108
- Neutrons in most abundant isotope: 161
- Electron shells: 2,8,18,32,32,14,2
- Electron configuration: 5f¹⁴ 6d⁶ 7s²
Meitnerium
- Classification: Meitnerium is a transition metal
- Color:
- Atomic weight: (278), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 109
- Protons: 109
- Neutrons in most abundant isotope: 169
- Electron shells: 2,8,18,32,32,15,2
- Electron configuration: [Rn] 5f¹⁴ 6d⁷ 7s²
Darmstadtium
- Classification: Darmstadtium is a transition metal
- Color:
- Atomic weight: (281), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 110
- Protons: 110
- Neutrons in most abundant isotope: 171
- Electron shells: 2,8,18,32,32,17,1
- Electron configuration: [Rn] 5f¹⁴ 6d⁸ 7s²
Roentgenium
- Classification: Roentgenium is a transition metal
- Color:
- Atomic weight: (281), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 111
- Protons: 111
- Neutrons in most abundant isotope: 170
- Electron shells: 2,8,18,32,32,17,2
- Electron configuration: [Rn] 5f¹⁴ 6d⁹ 7s²
Copernicium
- Classification: Copernicium is a transition metal
- Color:
- Atomic weight: (285), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 112
- Protons: 112
- Neutrons in most abundant isotope: 173
- Electron shells: 2,8,18,32,32,18,2
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s²
Ununtrium
- Classification: Ununtrium is an ‘other metal’ (presumed)
- Atomic weight: (286), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 113
- Protons: 113
- Neutrons in most abundant isotope: 173
- Electron shells: 2, 8, 18, 32, 32, 18, 3
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
Flerovium
- Classification: Flerovium is an ‘other metal’ (presumed)
- Atomic weight: (289)
- State: solid (presumed)
- Melting point:
- Boiling point:
- Density @ 20^oC:
- Electrons: 114
- Protons: 114
- Neutrons in most abundant isotope: 175
- Electron shells: 2, 8, 18, 32, 32, 18, 4
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
Ununpentium
- Classification: Ununpentium is an ‘other metal’ (presumed)
- Atomic weight: (289), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 115
- Protons: 115
- Neutrons in most abundant isotope: 174
- Electron shells: 2, 8, 18, 32, 32, 18, 5
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³
Livermorium
- Classification: Livermorium is an ‘other metal’ (presumed)
- Color:
- Atomic weight: (293), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 116
- Protons: 116
- Neutrons in most abundant isotope: 177
- Electron shells: 2, 8, 18, 32, 32, 18, 6
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴
Ununseptium
- Classification: Ununseptium is a halogen (presumed)
- Atomic weight: (294), no stable isotopes
- State: solid (presumed)
- Melting point:
- Boiling point:
- Electrons: 117
- Protons: 117
- Neutrons in most abundant isotope: 177
- Electron shells: 2, 8, 18, 32, 32, 18, 7
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵ (presumed)
Ununoctium
- Classification: Ununoctium is a noble gas
- (or a noble solid?) and a nonmetal
- Atomic weight: (294), no stable isotopes
- State: gas (presumed)
- Melting point:
- Boiling point:
- Electrons: 118
- Protons: 118
- Neutrons in most abundant isotope: 176
- Electron shells: 2, 8, 18, 32, 32, 18, 8
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶

Author

230474

Card Set

Periodic Table of Elements with atomic weight, state, electron configuration, etc.

Description

All elements with their classification, color, atomic weight, state, melting point, boiling point, electrons, protons, neutrons, electron configuration and density

Updated

2013-08-19T19:06:19Z

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