对比分析得出结论是化学学习中重要的方法和手段.请你对下表进行分析并按要求填空 h2oh2o2和nh3 相似之处1都是含有氢元素的 Template




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tomski对比分析得出结论是化学学习中重要的方法和手段.请你对下表进行分析并按要求填空 h2oh2o2和nh3 相似之处1都是含有氢元素的 coloring