Concept information

化学元素 > 第二族元素

Preferred term

第二族元素  

Definition

  • 任何带正二价电荷的金属,如:铍、镁、钙、锶、钡、镭属于周期表的第2A族。

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URI

http://www.eionet.europa.eu/gemet/concept/2637

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