这个词是什么意思？
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.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D008672 · MeSH 2026。
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