根据元素周期表和元素周期律分析下面的推断，其中错误的是················( ) ...

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问题详情：

根据元素周期表和元素周期律分析下面的推断，其中错误的是················( ) ...

根据元素周期表和元素周期律分析下面的推断，其中错误的是················( )

A．砹(At)的*化物不稳定 B．铍(Be)的原子失电子能力比镁弱

C．*氧化锶（Sr(OH)2 ）比*氧化钙的碱*强 D．硒(Se)化*比硫化*稳定

【回答】

D

知识点：物质结构元素周期律单元测试

题型：选择题

元素周期表推断周期律

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