-
Direct combination reaction is
2 or more reactants combined to form a compound
-
Single replacement reaction is
Single, uncombined element replaces another element in a compound
-
Decomposition reaction is
A compound breaks down into at least 2 smaller compounds or elements
-
_______________ _____________ ranks element in order of ability to replace one another in compounds
Reaction bonds
-
Molecular geometry of BCl3 is
Trigonal Pair
-
CO2 hybrid orbitals are
SP?
-
_______ are polar molecules with charged ends.
dipole
-
Formula for copper(II) choride =
CuCL2
-
Chemical name for rust is
Iron(III)Oxide
-
4f elements are
Lanthanides
-
_________ elements contain metals and nonmentals
metalloids
-
_________ makes up most of the Earth's atmosphere
nitrogen
-
_______ is the most abundant element on earth
oxygen
-
An ion is formed when___________
atoms lose or gain electrons
-
When calcium becomes an ion, it _________________ ____ e-
loses 2 e-
-
In an ionic bond N achieves an octet by __________ ____ e-
gaining 3
-
Draw Lewis dot diagram for nitrogen
"n" with 7 dots around it
-
________ is the suffix of monoatomic anions
ide
-
Ionic bond is __________ of e-, covalent bond is _________ of e-
transferring; sharing
-
O-O is a __________ __________ __________ bond.
single covalent bond?
-
Formula of ammonium phosphate if _____________
(NH4)3PO4
-
Formula of iron (II) sulfate is
FeSO4
-
Formula of phosphorus pentacholoride is
PCl5
-
_________,____________,__________ make up an atom
electron neutron proton
-
Atomic number is
# of protons
-
Atomic mass number is _________________
Protons + electrons
-
___________ ____________ determines element's identity
atomic number
-
An ion always contains
different # of e-
-
Atoms with same # of protons, but different # of neutrons is _______
isotopes
-
_____________ ______ force holds protons together
_____________ ___________ force holds protons together.
-
Alpha particle is ______________
a
-
There are fundamental "pieces" of energy called Quantum.
Planck's Theory
-
Light has properties of _________
waves and particles
-
Brightness of light depends on its _____________
amplitude
-
Speed of light is
3.0 x 108 m/s
-
____________ have the longest wavelength
radio
-
_____________ first proposed quanta
Planck
-
______________ are quanta of light.
Photons
-
When an element is vaporized in a flame, it releases energy in the form of ______________.
light of only certain wavelengths
-
_____________ discovered radioactivity
Becquere
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