Answer
$1.32nm$
Work Step by Step
We can find the radius of a hydrogen atom Bohr orbit as follows:
$r_n=n^2r_1$
We plug in the known values to obtain:
$r_5=(5^2)(5.29\times 10^{-11})$
$r_5=1.32nm$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 31 - Atomic Physics - Problems and Conceptual Exercises - Page 1113: 37
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