Chapter 23, Problem 86E

(a)

Interpretation Introduction

To determine: The number of vertices and faces in ${\text{B}}_{\text{4}}{\text{H}}_{\text{4}}{}^{2-}$.

(b)

Interpretation Introduction

To determine: The number of vertices and faces in ${\text{B}}_{12}{\text{H}}_{12}{}^{2-}$.