Which of the following molecules has the highest boiling point?( )
A. HF
B. H2O
C. NH3
D. CH4
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分子的极性不仅与分子中的键极性有关,还和分子的构型有关。
A. 对
B. 错
凡有氢键的物质其溶、沸点一定比同类物质的溶、沸点高。
A. 对
B. 错
Molecules that contain a polar bond are not necessarily polar compounds.
A. 对
B. 错
According to molecular-orbital theory, Ne2+ is expected to exit.
A. 对
B. 错