Match the definition with the correct term.

A mixture of elements that have metallic properties

alloy

A negative ion

anion

A positive ion

cation

Electrons that are free to move

delocalized electrons

An ionic compound whose aqueous solution conducts electric current

electrolytes

A metallic solid contributes all its valence electrons

electron sea model

The simplest ration of ions in an ionic compound

formula unit

An electrostatic force that holds oppositely charged particles together

ionic bond

The attraction of a metallic cation for delocalized electrons

metallic bond

The charge of a monatomic ion

oxidation number

A polyatomic ion composed of an element with oxygen atom(s)

oxyanion

Ions made up of more than one atom

polyatomic ion