Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 9 Bonding and Molecular Structure: Orbital Hybridization and Molecular Orbitals - 9-3 Molecular Orbital Theory - Review & Check for Section 9-3 - Page 365: 3



Work Step by Step

$O_2$ has 12 valence electrons, $B_2$ has 6, $C_2$ has 10, and $N_2^+$ has 9. Only $C_2$ doesn't have unpaired electrons: $[core]\ (\sigma_{2s})^2\ (\sigma_{2s}^*)^2\ (\sigma_{2p})^2\ (\pi_{2p})^4\ (\pi_{2p}^*)^0\ (\sigma_{2p}^*)^0$
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