We can use the molecular orbital diagram to predict whether the molecule is paramagnetic or diamagnetic.
all the electrons are paired → diamagnetic.
one or more electrons are unpaired → paramagnetic.
Determine the number of valence electron
Group Valence Electrons
N 5A 2 x 5 e- = 10 e-
From +1 charge - 1 e-
Total: 9 valence e‑
Draw the molecular orbital diagram
The molecular orbital diagram of N2+ is
Is N2+ diamagnetic or paramagnetic?
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