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Among the following elements, the second...

Among the following elements, the second ionization energy is maximum for

A

boron

B

beryllium

C

magnesium

D

aluminium

Text Solution

Verified by Experts

The correct Answer is:
A
Boron `(1s^(2)2s^(2)2p^(1))` after the removal of first electron gets the electronic configuration of fully-filled s-orbital from which removal of electrons requires high energy.
`B^(+) to 1s^(2) 2s^(2)`
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