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Unit 5
na
12
Chemistry
11th Grade
12/15/2008

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Term
Covalent Compound
Definition
When two nonmetals are shared;
Term

Ionic Compound

Definition
The attraction between positive ions(cations) and negative ions(anions) between a metal and non metal
Term
Covalent Bonds
Definition
the forming of two nonmetals and when electrons are shared
Term
Oxidation Number
Definition

the number of electrons to gain or lose t equal to eight

Term

Polyatomic Ion

Definition
they are a charged group of Covalently bonded ions and bonds ionically to oppositly charged ions
Term

Non-Polar Covalent Bonds

Definition

Electrons are equally shared and there is no charge.

Term
Polar Covalent Bonds
Definition

Electrons that are unequaly shared andThe molecule has an area of positive charge and an area of negative charge.

Term
Chemical Bonds
Definition

Force that holds atoms or groups of atoms together

Term
Octet Rule
Definition
atoms tend to gain, lose or share electrons so as to have eight electrons in their outer electron shell
Term
Compounds
Definition
A chemical combination of two or more different elements in a fixed ratio
Term
Conductivity
Definition

The ability or unability a compound has when it is heated

Term
Lewis Dot Structure
Definition
 A way of representing atoms or molecules by showing electrons as dots surrounding the element symbol.
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