Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

by Timberlake, Karen C.

Published by Prentice Hall

ISBN 10: 0321908449

ISBN 13: 978-0-32190-844-5

Chapter 5 - Section 5.1 - Natural Radioactivity - Questions and Problems - Page 138: 5.9d

Answer

This is Argon-38.

Work Step by Step

Identify the element based on atomic number, and add the atomic mass after it, preceded by a dash.

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