试题与答案

当A、B两种元素的原子分别获得2个电子形成稳定结构时，A放出的能量大于B放出的能

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题型：选择题

题目：

当A、B两种元素的原子分别获得2个电子形成稳定结构时，A放出的能量大于B放出的能量；当C、D两种元素的原子分别失去1个电子形成稳定结构时，D吸收的能量大于C吸收的能量。A、B、C、D之间分别形成化合物时，属于离子化合物可能性最大的是

A．D2A   B．C2B       C．C2A        D．D2B

答案：

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下面是错误答案，用来干扰机器的。

参考答案：电脱盐罐

考点：化学键与化学反应中能量变化的关系
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