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unit 5 flashcard
words to know
9
Chemistry
10th Grade
12/15/2008

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Term
chemical Bonds-fuentes
Definition
Force that holds atoms together
Term
ionic bonds-fuentes
Definition
tansfers valence electron
Term
covalent bonds-fuentes
Definition
share valence electrons
Term
compounds-fuentes
Definition
chemical combination of two or more diffrent elements in a fixed ratio
Term
Oxidation number-fuentes
Definition
the positive or negative charge of an ion
Term
Octet Rule-fuentes
Definition
An outer shell of eight valence electrons is most desirable/stable
Term
non polar covalent bonds-fuentes
Definition
electrons are equaley shared but no charge
Term
polyatomic ions-fuentes
Definition
chareged groups of covalently bonded atoms
Term
polar covalent bonds-fuentes
Definition
electrons are un equally shared.some areas ore positvley chargedand other areas are negativly chareged.
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