Question

Number of vertices in an icosahedral closo-borane is ................

Hint:

Icosahedral closo-boranes, like B\(_{12}^{2-}\), have 12 vertices, which correspond to the boron atoms in the cluster.

Answer 1

Correct Answer: 12

Step 1: Understanding the icosahedral closo-borane.
An icosahedral closo-borane has a polyhedral structure consisting of 12 vertices, corresponding to the number of boron atoms in the cluster. The icosahedron is a symmetrical polyhedron with 12 vertices, 30 edges, and 20 faces.
Step 2: Conclusion.
The number of vertices in an icosahedral closo-borane is 12.