Which of the Following Statements Is/are CORRECT According to Valence

Multiple Choice

Which of the following statements is/are CORRECT according to valence bond theory?
1) Elelctron density in a pi bond is greatest along the axis of the bond.
2) The overlap of two adjacent p orbitals can result in a sigma bond or a pi bond,depending on the p-orbital orientations.
3) Bonds are formed in molecules through the overlap of valence electron atomic orbitals.

A) 1 only
B) 2 only
C) 3 only
D) 2 and 3
E) 1,2,and 3