Using Figures 9.35 and 9.43 as guides, draw the molecular orbital electron configuration for
(a) B2+
(b) Li2+
(c) N2+
(d) Ne22+
In each case indicate whether the addition of an electron to the ion would increase or decrease the bond order of the species.

o2s 1 2s 2s is 1s 1s2 Li Li Small 2s-2p interaction Large 2s-2p interaction Ne2 2p 2p 2p 2p 2p 2p 2p 2s 2s 2s 2s Bond order Bond enthalpy (kJ/mol) Bond length () Magnetic behavior 290 1.59 Paramagnetic 620 1.31 Diamagnetic 941 1.10 Diamagnetic 495 1.21 Paramagnetic Diamagnetic 155 1.43