Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 12 The Solid State - Study Questions - Page 467a: 4

Answer

2.

Work Step by Step

Oxygen ions: $4\times1/2=2$ in the faces, and two wholly inside, four in total. Titanium ions: $8\times1/8=1$ in the vertexes, and one in the center, two in total Since the formula unit is $TiO_2$, there are two formula units in the lattice.
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