Question

Heya❣️What is the configuration of O2^2-?

Answer 1

$\huge\mathfrak{Hello}$

$the \: electronic \: configuration \: of \\ {O2}^{2 - } \: is \: {1s}^{2} {2s}^{2} {2p}^{6}$

and as per MOT refer to the attachment........