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CHemical Bonds and COmpounds
Vocab Ch.2
7
Science
8th Grade
11/10/2014

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Term
Chemical formula
Definition
uses these chemical symbols to represent the atoms of the elements and their ratios in a chemical compound.
Term
Subscript
Definition
is a number written to the right of a chemical symbol and slightly below it.
Term
Ionic bond
Definition
This force of attraction between positive and negative ions
Term
Covalent bond
Definition
A pair of shared electrons between two atoms
Term
Molecule
Definition
A group of atoms held together by covalent bonds
Term
Polar covalent bond
Definition
A covalent bond in which the electrons are shared unequally
Term
Metallic bond
Definition
A special type of bond
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