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Choose the correct statement(s):...

Choose the correct statement(s):

A

`H^(+)` is the smalest size cation in the periodic table.

B

van der waals' radius of chlorine is more than covalent radius

C

ionic mobility of hydrated `Li^(+)` is greater than that of hydrated `Na^(+)`.

D

He atom is having highest I.E. in the periodic state

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The correct Answer is:
A, B, D
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