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Physical Science Ch 8
Section C/D
8
Other
10th Grade
01/03/2012

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Term
covalent bond
Definition
A chemical bond formed by atoms sharing electrons
Term
diatomic molecule
Definition
A molecule formed of two identical atoms bonded together
Term
double bonds
Definition

Occur when two pairs of electrons are shared

in a covalent bond

Term
polyatomic molecules
Definition
the prefix poly- means many;  molecules composed of two or more different elements
Term
triple bond
Definition

A bond in which three pairs of electrons are shared

by the elements

Term
molecule
Definition
A particle made up of two or more atoms chemically joined together; a particle formed by a limited number of atoms bonded covalently; the basic unit of a covalent compound
Term
free electron theory
Definition
A description of metallic bonding that uses randomly shared electrons to explain the properties of metals
Term
metallic bonds
Definition
 A chemical bond in which metal atoms are thought to randomly share their valence electrons
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