Among the alkali metals cesium is the most reactive because? – McqOptions

MCQOPTIONS

1.	Among the alkali metals cesium is the most reactive because?
A.	the outermost electron is more loosely bound than the outermost electron of the other alkali metals
B.	its incomplete shell is nearest to the nucleus
C.	it has a single electron in the valence shell
D.	it is the heaviest alkali metal
Answer» B. its incomplete shell is nearest to the nucleus

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