纳米技术制成的金属燃料、非金属固体燃料、氢气等已应用到社会生活和高科技领域．单位质量的A和B单质燃烧时均放出大量热，可用作燃料．已知A和B为短周期元素，其原子的第一至第四电离能如下表所示：电离能（kJ_刷题宝

题干

纳米技术制成的金属燃料、非金属固体燃料、氢气等已应用到社会生活和高科技领域．

单位质量的A和B单质燃烧时均放出大量热，可用作燃料．已知A和B为短周期元素，其原子的第一至第四电离能如下表所示：

电离能（kJ/mol）	I₁	I₂	I₃	I₄
A	932	1821	15390	21771
B	738	1451	7733	10540

上一题下一题 0.0难度选择题更新时间:2013-05-31 10:48:01

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