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

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: 5.9b

Answer

This is an Alpha particle.

Work Step by Step

Refer to table 5.2 (Some forms of radiation) for help identifying radiation. This type of emission reduces the atomic number by 2 and atomic mass by 4.
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