Chemistry and Chemical Reactivity (9th Edition)

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

Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95c: 56



Work Step by Step

In NaCl, one electron is exchanged, and in CaO, two ($Ca^{2+}, O^{2-}$) are exchanged. From Couloumb's Law: $F=-k\frac{q_1q_2}{d^2}$ Since $q_1$ and $q_2$ are greater for Calcium and Oxygen than for Sodium and Chlorine, the attractive force is greater for CaO.
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