KCET 2006 Chemistry Solved Paper

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Question : 5 of 60

Marks: +1, -0

Among the alkali metals cesium is the most reactive because

its incomplete shell is nearest to the nucleus
it has a single electron in the valence shell
it is the heaviest alkali metal
the outermost electron is more loosely bound than the outermost electron of the other alkali metals.

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