Answer
See the answer below.
Work Step by Step
From the figures, PbS has a different structure than ZnS with 4 atoms of Pb and 4 of S per unit cell (1:1 ratio).
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 12 The Solid State - Study Questions - Page 467e: 57
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