Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 2 - Exercises: 67

Answer

a. alkali metal; b. halogen; c. alkaline earth metal; d. alkaline earth metal; e. noble gas

Work Step by Step

a. Sodium is in the 1A group; therefore, sodium is an alkali metal. b. Iodine is in the 7A group; therefore, iodine is a halogen. c. Calcium is in the 2A group; therefore, calcium is an alkaline earth metal. d. Barium is in the 2A group; therefore, barium is an alkaline earth metal. e. Krypton is in the 8A group; therefore, krypton is a noble gas.
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