Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 2 - Questions and Problems - Page 76: 2.32


a) Lithium, Sodium b) Magnesium, Beryllium c) Chlorine, Iodine d)Argon, Neon e) Sulfur, Oxygen f) Iron, Copper.

Work Step by Step

Recall that alkali metals are group 1 elements, alkaline earth metals are group 2 elements, halogens are group 17 elements, noble gases can be seen in group 18, chalcogens are in group 16 and d-block elements are transition metals. Now, it is easy to give two examples belonging to each category by referring to the periodic table.
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