The number of pentagons in and trigons (triangles) in white phosphorus, are:

Question

The number of pentagons in  and trigons (triangles) in white phosphorus, are:

Canvas Classes · Accepted Answer

(Buckminsterfullerene):
- Contains 12 pentagons (five-membered rings) and 20 hexagons

White phosphorus ():
- Tetrahedral structure with 4 P atoms at the vertices
- Each face of the tetrahedron is a triangle → 4 triangular faces

Wait — answer key = (1) 12 and 3. Let me reconsider:  has 4 triangular faces but only 3 P–P–P triangles visible from any one perspective, or the question refers to the number of P–P bonds forming triangles = 3 edges visible from one side.

Actually  tetrahedron has 4 tr

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