Question

4. Among the alkali metals, Cesium is the most reactive because: B
a) it has a single electron in the valence b) its incomplete shell is nearest to the
nucleus
c) it is the heaviest alkali metal
d) the outermost electron is very loosely
bound than the outermost electron of the
other alkali metals
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Answer 1

Answer:

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Explanation:

Option D

Please refer to the attached file...

for explanation....!!!

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Answer 2

Explanation:

Option D is the correct answer

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