Determine the number of vertices and faces in the clos 0Bora

Determine the number of vertices and faces in the clos 0-Borane B7H7^2-.

A)Vertices=4, faces=10
b)Vertices=7, faces=14
c)Vertices=14, faces=24

d)Vertices=7, faces=10

e)Vertices=3, faces=6

Solution

it has pentagonal bypiramidal structure ---->10 faces and 7 vertices