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单词 Group 1 Elements
释义

Group 1 Elements


《英文msh词典》Group 1 Elements
[入口词] Group 1 Elements
[主题词] Metals,Alkali
[英文释义] Metals that constitute group 1(formerly group Ia) of the periodic table. They are the most strongly electropositive of the metals. Note that HYDROGEN is not considered an alkali metal even though it falls under the group 1 heading in the periodic table.
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