试题与答案

A、B、C是在中学化学中常见的三种化合物,它们各由两种元素组成,甲、乙是两种单质

题型:推断题

题目:

A、B、C是在中学化学中常见的三种化合物,它们各由两种元素组成,甲、乙是两种单质.这些化合物和单质之间存在如下的关系:

据此判断:

(1)在A、B、C这三种化合物中,必定含有乙元素的是______。(用A、B、C字母填写)

(2)单质乙必定是________(填“金属”或“非金属”),其理由是________。

(3)单质乙的分子式可能是________,则化合物B的分子式是________。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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