General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 10 - Molecular Geometry and Chemical Bonding Theory - Questions and Problems - Page 424: 10.76


Please see the work below .

Work Step by Step

We know that total electrons $2\times 2-1=3$ The electronic configuration is $(\sigma1s)^2(\sigma 1s^\star)^1$ Bond order $\frac{1}{2}(n_b-n_a)$ We plug in the known values to obtain: $\frac{1}{2}(2-1)=\frac{1}{2}$ Thus, the $He^{+2}$ ion is considered to be stable.
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