General, Organic, and Biological Chemistry: Structures of Life (5th Edition)

Published by Pearson
ISBN 10: 0321967461
ISBN 13: 978-0-32196-746-6

Chapter 4 - Atoms - Additional Questions and Problems: 4.108

Answer

a) Copper ($^{29}$Cu): Metal b) Selenium ($^{34}$Se): Non-Metal c) Arsenic ($^{33}$As): Metalloid d) Chromium ($^{24}$Cr): Metal

Work Step by Step

Refer to the Periodic Table. Elements to the left of the bold line (starting with Boron (B) and stepping down to end with Polonium (Po)/Astatine (At), are metals. Elements on either side of the bold line, with the exception of Aluminum (Al), are Metalloids, and the remaining elements to the right of the Metalloids are Non-Metals.
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