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Unit 5 Flashcards
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12
Chemistry
10th Grade
12/15/2008

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Cards

Term
Covalent-
Benitez
Definition
Sharing of valence electrons
Term
Ionic -
Benitez
Definition
Transfer of valence electrons
Term
Octet Rule-
Benitez
Definition
An outer shell of eight valence electrons is most desirable/stable
Term
Compounds-
Benitez
Definition
A chemical combination of two or more different elements in a fixed ratio
Term
Group 18-
Benitez
Definition
(noble gases) rarrly form compounds
Term
Polyatomic Ions-
Benitez
Definition
chared group of covalently bonded atoms
Term
Ionic compounds-
Benitez
Definition
Attraction between (+)ions or cation and (-)ions or anion
Term
Prefixes for naming
Definition
Mono-1
Di-2
Tri-3
Tetra-4
Penta-5
Hexa-6
Term
Covalent bonding-
Benitez
Definition
the sharing of electrons (tend to be stronger that Ionic)
There are three kinds
Term
Single covalent bonds-
Benitez
Definition
is the share of i pair of electrons
Term
Oxidation number-
benitez
Definition
unpaired valence electrons
-number of covalent bonds an atom can form
Term
Non-polar-
beniter
Definition
Electrons are equally shared and there is no charge
-symmetrical
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