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Which of the following Group 1A elements is the most reactive? A)cs (cesium) B)Li (lithium) C)K (potassium) D)Na (sodium)
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5 votes
Which of the following Group 1A elements is the most reactive?

A)cs (cesium)

B)Li (lithium)

C)K (potassium)

D)Na (sodium)

User Jbarlow
by
7.6k points

2 Answers

4 votes
Hello,

Your correct answer would be Cs (cesium).

Hope this helps.

-Jurgen :D
User OnWhenReady
by
7.3k points
2 votes
A. Cesium because reactivity of alkali metals increases from the top to the bottom of the group.
User Jaymin
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8.2k points
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