Quiz - Bonding and Formulas Form A Fill in the blank. If the statement is true, write true. Calcium becomes a monatomic cation by gaining two electrons.
Monatomic ions consist of more than one atom.
A group of atoms united by ionic bonds is called a molecule. A covalent bond is formed by a shared pair of electrons. In nonpolar covalent bonds, the electrons are shared unequally between two atoms. Indicate polarity of bonds. PCl 3 20.