Total number of antibonding electrons present in O ₂ will be

Step-by-step solution

aligned & O ₂( 1 s)^2 ( ^* 1 s )^2( 2 s)^2 ( ^* 2 s )^2 ( 2 p_z )^2 ( 2 p_x^2= 2 p_y^2 ) & ( ^* 2 p_x ^1= ^* 2 p_y^1 ) aligned Thus, there are total 6 electrons in antibonding orbitals