Which one of the following is the correct electronic configuration of \(O_2^{2-}\)?
1
\(1\sigma_g^2\) \(1\sigma_u^2\) \(2\sigma_g^2\) \(1\pi_u^4\) \(1\pi_g^4\)
2
\(1\sigma_g^2\) \(1\sigma_u^2\) \(1\pi_u^4\) \(2\sigma_g^2\) \(1\pi_g^4\)
3
\(1\sigma_g^2\) \(1\sigma_u^2\) \(1\pi_u^4\) \(1\pi_g^4\) \(2\sigma_g^2\)
4
\(1\sigma_u^2\) \(1\sigma_g^2\) \(2\sigma_g^2\) \(1\pi_u^4\) \(1\pi_g^4\)
5
Question Not Attempted