Chemistry: Molecular Approach (4th Edition)

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

Chapter 8 - Exercises: 98

Answer

c. Si and As

Work Step by Step

Although Si and As are located in different groups and different rows, they have almost similar atomic radii. As is located in the row below Si, so atomic radius increases but it is also located to the left hence atomic radius decreases. Thus, both approximately cancel each other, resulting in similar atomic radii.
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