Question

The number of pentagons in $C_{60}$ and trigons (triangles) in white phosphorus, respectively, are:

• A. 12 and 3
• B. 20 and 4
• C. 12 and 4
• D. 20 and 3

Answer 1

Answer: (C)

Total No. of pentagons in $C_{60}=12$
Total no. of trigons (triangles) in white phosphorus $(P_4)=4$