MOs of Be2 Molecule:
Bond Order = [4-4]/2 = 0/2 = 0
That is no bond between Be atom. Be molecule is monoatomic.
MOs of B2 Molecule:
Bond Order = [6-4]/2 = 2/2 = 1
Carbon and nitrogen have same MO energy distribution as in B2 .
In Carbon and nitrogen the electron distributions in MO are;
MOs of B2 Molecule:
