Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95b: 28


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There are 32 elements in the seventh period, with 14 of them being known as actinides, and they are known for their radioactivity (Uranium and Plutonium are in this period).
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