Answer
One Ca atom.
Two N atoms
Four O atoms.
Work Step by Step
By inspection, $Ca(NO)_{2}$ has one Ca atom, two N atoms and four O atoms.
Chemistry: A Molecular Approach (3rd Edition)
by Tro, Nivaldo J.
Published by
Prentice Hall
ISBN 10:
0321809246
ISBN 13:
978-0-32180-924-7
Chapter 3 - Sections 3.1-3.12 - Exercises - Problems by Topic - Page 130: 24a
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