Which one of the following does not belong to the family of the alkali metalon
(a) Li
(b) Na
(c) Be
(d) K
Answers
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Answer:
C) Be, Berilium does not belong to family of Alkali metal, because it is an alkali earth metal.
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Answer:(c) Be
Explanation:
It's valence electrons are 2
But alkali metals like Na ND li have 1 valence electron in their outermost shell
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