题目内容
下列物质中,含有极性共价键的是
(1)N2 (2)H2O (3)CCl4 (4)Na2O2 (5)NaOH (6)Na2O
(1)N2 (2)H2O (3)CCl4 (4)Na2O2 (5)NaOH (6)Na2O
A.(1)(2)(3) | B.(2)(3)(5) |
C.(4)(5)(6) | D.(2)(4)(6) |
B
略
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题目内容
A.(1)(2)(3) | B.(2)(3)(5) |
C.(4)(5)(6) | D.(2)(4)(6) |