三氯化磷分子的空间构型是三角锥形而不是平面正三角形，下列关于三氯化磷分子空间构型的叙述，不正确的是( )
| A．PCl3分子中的三个共价键的键长、键角都相等 |
| B．PCl3分子中的P—Cl键属于极性共价键 |
| C．PCl3分子中三个共价键的键能均相等 |
| D．PCl3是非极性分子 |
相关试题
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
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