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

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Cards

Term
Octet Rule
Definition
This rule states that a atom is most stable when it has eight valence electrons
Term
Valence Electron
Definition
This an electron on the outer most shell of an atom.
Term

Polyatomic Ion

Definition
This is a compond that has 2 or more elements that has a net charge.
Term
Covalent Bond
Definition
This is a bond between two non-metals.This type of bonding shares the electrons instead of transfering them.
Term
Ionic Bond
Definition
This type of bonding is between a metal and a  non-metal. This type of bonding transfers the electrons instead of sharing. In this type of bonding the oxidation numbers have to add up to zero.
Term
Oxidation Nubmer
Definition
This is the number of valencle electrons thta it wants to lose or gain.
Term
Polarity
Definition

Polarity is that it has a negative charge on one side and a posotive charg on the other side.

Term
Non-metal
Definition
These are the elements that are on the right side of the periodic table.
Term
Metal
Definition
These are all the elements on the left side of the periodic table.
Term
Subscript
Definition
This is the number under the element symbol that shows how many of that element there is in that compound.
Term
Ion
Definition
This is a charged atom
Term

Ionization Energy

Definition
How much energy is needed to lose or gain a electro.n
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