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1. What is matter? List 3 examples, (pg 39)
A physical substance that occupies space and has mass
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2. What is an extensive property? List 2 examples (pg 39)
Physical property of matter that depend on the amount of matter present
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3. What are physical properties? List 3 examples. (pg40)
Any property that is measurable
- Color Temperature
- Volume Strength
- etc., etc.
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4. Which state of matter is vapor? (pg42)
Gas
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5. Which state of matter has definite volume and takes the shape of its container? (pg 41)
Liquid
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6. Which state of matter takes both the shape and volume of its container? (pg 42)
Gas
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7.Which state of matter is characterized by having a definite shape and a definite volume? (pg 41)
Solid
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8. Which state of matter expands when heated and is easy to compress? (pg 42)
Gas
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9. What are homogeneous mixtures also known as?(pg 45)
Solutions
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10. What do we call a substance that can only be separated into two or more substances by a chemical change? (pg 48)
compound
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11. How many significant figures are in the number  ?
3
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12. How many significant figures are in the number 450,600? (pg 66)
4
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How many significant figures are in the number 0.000520?
3
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13. What is the chief advantage of the metric system?(pg 73)
It is in multiples of 10 (base 10..makes the math easier)
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14. What is the SI unit of mass? (pg 76)
kilogram (kg)
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15. Which temperature scale has no negative numbers? (pg 77)
Kelvin
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16. Which measurement, weight or mass, is affected by location? (pg 76)
Weight
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17. What is the temperature -49°C expressed in Kelvins? (pg 77-78)
226.15 (Calculated as -49 + 273.15 = 226.15)
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18. What is the formula for density? (pgs 90-91)
mass/volume
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19. What is the density of an object having a mass of 75 g and a volume of 15  ? (pgs 90-91)
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20. What is the volume of an object with a mass of 45 grams and a density of  ? (pgs 90-91)

note: the answer must have 2 significant digits. The number 50 alone is 1 significant digit. 3 ways to write 50 with 2 significant digits:
 (with a period)
 (with an underline)
 (with an overline)
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21. Who was the man who lived from 460 B.C. to 370 B.C. and was among the first to suggest the idea of an atom? (pg 101)
Democritus
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22. What is the smallest particle of an element that retains the Properties of that element? (pgs 101-102)
Atom
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23. What did Dalton say about atoms that we now know to be untrue? (pg 104)
He said that atoms are indivisible which we now know is untrue
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24. Are atoms positively charged, negatively charged or neutral? (pg 106)
neutral
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25. Which particles are found in the nucleus of the atom? (pgs 106-107)
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26. Which particle, located in the nucleus of the atom, does the atomic number represent? (pg 110)
protons
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27. What does the sum of the protons and neutrons in an atom represent? (pg 111)
Mass number
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28. What does the number 235 in the name uranium-235 represent? (pg 111)
- It's an isotope of uranium and its mass number is 235.
- Since uranium has 92 protons we can calculate that uranium 235 has 143 neutrons (235-92=143).
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29. What will an unstable nucleus do? (pg 800)
Decay and release radiation
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30. What is an alpha particle? (pg 800)
 (a helium nucleus with a 2+ charge that is released)
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31. What is a beta particle? (pg 801)
 (it's the same as an electron)
 (sometimes it's written like this)
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32. Which is the least penetrating form of radiation? (pg 802)
Alpha particle
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33. Write the symbol for an alpha particle, (pg 800)
 or
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34. What particle decomposes to produce the electron of beta radiation? (pg 801)
Neutron
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35. Complete the following equation:  _______ . (Pg 801)
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36. In Bohr's model of the atom, where are the electrons and the protons located? (pg 128)
the electrons orbit the protons in the center
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37. How does the energy of an electron change as it moves closer to the nucleus? (pg 128)
it decreases
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38. What is the shape of the 3p atomic orbital? (pg 131)
dumbbell
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39. What is the maximum number of d orbitals in a principal energy level? (pgs 131-132)
5
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40. What does an electron absorb when it moves from a lower energy level to a higher energy level?(pg128)
a quantum (amount) of energy
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41. If the spin of one electron in an orbital is clockwise, what is the spin of the other electron in that orbital?(pg134)
counterclockwise
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42. What do stable electron configurations contain? (pg 136)
filled energy sublevels (the valence shells are full)
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43. How does the speed of light compare to the speed of gamma rays, when both are measured in a vacuum? (pg 139)
the speeds are the same
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44. Which color of light has the shortest wavelength? (pg 139)
violet (shorter than that is ultraviolet)
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45. How are wavelength and frequency related? (pg 139)
inversely proportional (when one increases the other decreases)
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46. What is another name for the representative elements? (pg 164)
Group A elements
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47. Name two elements in the same period as sulfur, (pgs 162-163)
- Group 6A:
- O Oxygen
- Se Selenium
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48. How is the modern periodic table arranged? (pg 157)
elements are arranged in order of increasing atomic number
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49. Which category includes the majority of the elements? (pg 158)
- Metals (80% of elements)

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50. Where are the transition metals located on the periodic table? (pg 166)
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51. What is the name given to the electrons in the highest occupied energy level of an atom?(pg187)
valence electrons
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52. How many valence electrons are in an atom of arsenic? (pg 187)
5 (group 5A)
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53. How many valence electrons are in an atom of strontium? (pg 188)
2 (group 2A)
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54. What is the charge on the magnesium ion? (pg 190)
2+
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55. What does the octet rule state? (pg 188)
When forming a compound, atoms tend to achieve the electron configuration of a noble gas. An octet is a set of 8.
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56. How many electrons can occupy a single molecular orbital? (pg 230)
2 electrons
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57. What type of ions have names ending in -ide? (pg 254)
anions
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58. What is the correct name for the  ion? (pg 254)
nitride ion
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59. When naming a transition metal ion that can have more than one common ionic charge, how is the numerical value of the charge indicated? (pgs 254-255)
- Roman numerals in parenthesis
- example: iron(II)
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60. Magnesium is a group 2A metal. What ion does Mg typically form? (pg 253)
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61. What SI unit is used to measure the number of representative particles in a substance? (pg 290)
- Avogadro's number
atoms/mol
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62.Avogadro's number of representative particles is equal to what?(hint: word not number)(pg 290)
1 mole
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63. How many moles of silver atoms are in  atoms of silver? (pg291)
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64. How many atoms are in 0.650 mol of platinum? (pg 292)
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65. How many molecules are in 1.60 mol of H20? (pg 292)
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66. What is the molar mass of  ? (pg 296)
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67. How many mols of calcium are there in 120 grams of calcium?(pg 299)
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68. What is the molar volume of any gas at STP? (pg 300)
22.4 Liters
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69. What is the correct temperature and pressure used to define STP? (pg 300)
 (temperature)
- 101.3 kPa Pressure -or-
- 1 atm Pressure
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70. What do chemical equations represent? (pg 323)
chemical reactions
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71. What is a catalyst? (pg 323)
a substance that speeds up chemical reactions
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72. Chemical equations must be balanced to satisfy what? (pg 325)
The law of conservation of mass
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73. In a balanced chemical equation, what has to be balanced on each side of the equation? (pg 325)
same number of atoms on each side of the equation
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74. In a combustion reaction, one of the reactants is always... (pg 336)
oxygen
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