关于水组成和构成的结论其中正确的是a.水分子是由2个氢元素和1个氧元素构成b.水分子是由氢分子和氧分子组成c.水是由2个氢原子和1个氧原子 Template




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tomski关于水组成和构成的结论其中正确的是a.水分子是由2个氢元素和1个氧元素构成b.水分子是由氢分子和氧分子组成c.水是由2个氢原子和1个氧原子 coloring