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2.51: Hydrogen and Alkali Metals

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

alkali metal

Metal in group 1 of the periodic table that has one valence electron and is highly reactive.

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Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Oct 31, 2012
Last Modified:
Oct 22, 2016
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SCI.PSC.123.22.L.1