Answer
potassium and lithium
Work Step by Step
Alkali metals are found in the column beginning with hydrogen, including Li, Na, K, Rb, Cs, and Fr.
Introductory Chemistry (5th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
032191029X
ISBN 13:
978-0-32191-029-5
Chapter 4 - Atoms and Elements - Exercises - Problems - Page 122: 60
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