Chapter 9, Problem 12E

(a)

Interpretation Introduction

To determine: The element X on the basis of number of electrons.

(b)

Interpretation Introduction

To determine: If the molecule is diamagnetic or paramagnetic.

(c)

Interpretation Introduction

To determine: If the ${\text{π}}_{\text{2p}}$ orbital of the molecule, have a greater atomic orbital contribution from C, have a greater atomic orbital contribution of X, or be an equal contribution of atomic orbitals from the two atoms.