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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)

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
7.9k points

2 Answers

4 votes
Hello,

Your correct answer would be Cs (cesium).

Hope this helps.

-Jurgen :D
User OnWhenReady
by
7.6k points
2 votes
A. Cesium because reactivity of alkali metals increases from the top to the bottom of the group.
User Jaymin
by
8.7k points
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