The number of pentagons in and trigons (triangles) in white phosphorus, respectively, are : |
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(a) |
20 and 3 |
(b) |
12 and 3 |

(c) |
12 and 4 |
(d) |
20 and 4 |

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

(a) |
20 and 3 |
(b) |
12 and 3 |

(c) |
12 and 4 |
(d) |
20 and 4 |

1 Answer

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