Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 6 - The Periodic Table - 6.2 Classifying the Elements - 6.2 Lesson Check - Page 173: 13


Elements Sodium (Na) and Potassium (K) have similar chemical properties because they have the same number of valence electrons (number of electrons in the outermost shell).

Work Step by Step

Due to them having the same number of valence electrons, they are in the same group and we already know that elements in the same group have similar properties.
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