Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 74: 2.8


Cations (red spheres) have positive charges; Anions (blue spheres) have negative charges.

Work Step by Step

There are twice as many cations, so the formula has the general form CA$_{2}$. Only Ca(NO$_{3}$)$_{2}$, calcium nitrate, is consistent with the diagram.
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