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unit 5 exam
n/a
10
Chemistry
11th Grade
12/15/2008

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Term
Octet rule
Definition
an outer shell of eitht valence electrons is most desireable stable.
Term
Compounds
Definition
a chemical combination of two or more different elements in a fixel ratio.
Term
covalent
Definition
form when two nonmetals share electrons.
Term
Ionic bond
Definition
bond formed by the transfer and electrons from a metal to a nonmetal
Term
Chemical bond
Definition
the force that holds two atoms together. Chemical bonds form attractions between positive nucleas and negative electrons.
Term
polar covalent bond
Definition
electrons are unequally shared. the molecules has an area of positive charge and an area of negative charge
Term
non-polar covalent bonds
Definition
electrons are equally shared and there is no charge
Term
Oxidation number
Definition
the positive or negative charge of an ion.
Term
polyatomic compounds
Definition
ions that cluster with charge. bonds ioniocally, positively charged ions
Term
lewis dot structure
Definition
the bonding that show the bonding between atoms of a molecule
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