Is B2+ Paramagnetic or Diamagnetic?

Correct Answer: B2+ is a Paramagnetic The filled orbitals are σ(1s)2 2, σ∗(1s)2 2, σ(2s)2 2, σ∗(2s)2 2 The half-filled orbitals are π(2px x) and π(2py y) Since it posses 2 unpaired electrons, it is Paramagnetic in nature