Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 2 - Atoms, Molecules, and Ions - Questions & Problems - Page 68: 2.13

Answer

Please see the work below.

Work Step by Step

We know that the atomic number of iron is 26 and the mass number is given as $A=26+28=54$
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