The Concept of Hybridization of Atomic Orbitals Was Introduced
A) $\pi$

The concept of hybridization of atomic orbitals was introduced

A) to predict shapes of molecules that cannot be described using traditional atomic orbitals.
B) to explain shapes of molecules that cannot be described using traditional atomic orbitals.
C) to account for the fact that carbon can form 4 bonds.
D) to explain $\pi$ bonding.
E) to explain delocalized $\pi$ bonding.