Use condensed electron configuration to write the reaction for the formation of each transition metal ion, and predict whether the ion is paramagnetic or diamagnetic.
A) Mn+2 (Z =25) B) Cr+3 (Z = 24) C) Hg+2 (Z = 80)
A) Since there are 5 unpaired electrons = paramagnetic
B) Since there are 3 unpaired electrons = Paramagnetic
Answer: C) Since they are filled diamagnetic