Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Which of the following has highest`2^(nd)` ionisation energy - Sarthaks eConnect
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Which of the following has highest`2^(nd)` ionisation energy

Which of the following has highest`2^(nd)` ionisation energy

A.

O
B.

N

C.

C

D.

B

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half filled electronic configuration

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