Science 8: Bonding (Concepts 1, 2, 3)

Front

Compound

Back

two or more elements that are chemically combined

Front

Chemical Formula

Back

A formula that tells what elements and how many of each element in a unit are in a compound

Front

Octet Rule

Back

The rule that states that atoms will gain, lose, or share electrons in order to have 8 electrons in their outer energy shell

Front

Chemical Bond

Back

A force that holds atoms together in a substance

Front

Ionic Bond

Back

A bond formed when atoms transfer electrons in order to be stable;

usually occurs between a metal and a nonmetal

Front

Ions

Back

Atoms or molecules that have a charge due to having lost or gained electrons

Front

Oxidation Number

Back

A number assigned to an element in chemical combination that represents the number of electrons lost or gained.

Front

Polyatomic Ions

Back

A positively or negatively charged, covalently bonded, group of atoms

Front

Covalent Bond

Back

A bond that results between nonmetallic elements that share electrons

Front

Molecule

Back

A compound formed when 2 or more elements are covalently bonded