Which of the following species is neither hypervalent nor hypovalent ?

CHEMISTRY · Single correct · A Level · Chemistry · Bonding · Bonding

Problem

Which of the following species is neither hypervalent nor hypovalent ? (1)

\text{ClO}_4^-

(2)

\text{BF}_3

(3)

\text{SO}_4^{2-}

(4)

\text{CO}_3^{2-}