Ch. 7&8 vocab

Front

A force that holds atoms together.

Back

chemical bond

Front

Outer most electron in an atom involved in bonding.

Back

Valence electron

Front

Model representing valence electrons as dots around the chemical symbol.

Back

Electron Dot Diagram

Front

A bond formed when atoms share valence electrons.

Back

Covalent bond

Front

Two or more atoms held by covalent bonds acting as a unit.

Back

Molecule

Front

A molecule with slight negative and positive charges.

Back

Polar molecule.

Front

Group of symbols/numbers representing elements and their atom counts in a compound

Back

Chemical formula

Front

An atom that has lost or gained valence electrons.

Back

Ion

Front

Attraction between charged ions in an ionic compound.

Back

Ionic bond

Front

Bond formed by shared valence electrons of metal atoms.

Back

Metallic bond