Species :He22+(2) Electronic Configuration: 1s21s0 Bonding electrons =2 Anti bonding electrons=0 Bondorder = 2 - 0 / 2 = 1
Species : He2 Electronic Configuration: 1s2 Bonding electrons : 2 Anti bonding electrons : 2 Bond order = no . of bonding - no of anti bonding/2 = 2-2 /2 = 0
The electrons distribution in molecular orbitals is 1s2,2s1 B.O=