Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) In which of the following processes, the value of magnetic moment does not change - - Sarthaks eConnect

In which of the following processes, the value of magnetic moment does not change :-

`N_2->N_2^Theta`

`N_2->N_2^o+`

`O_2->O_2^+`

`O_2^+ ->O_2^-`