* Ionic Compounds: Formed by the electrostatic attraction between positively charged ions (cations) and negatively charged ions (anions).

* KClO4 Breakdown:

* K+ (potassium ion) - a cation

* ClO4- (perchlorate ion) - an anion

The strong electrostatic forces between the potassium and perchlorate ions hold the compound together in a crystal lattice structure.