College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 27 - Quantum Physics - Learning Path Questions and Exercises - Exercises - Page 936: 38


(a) n=2, $r_{2}= 0.2116 nm $ (b) n=2, $r_{4}= 0.8464 nm $ (c) n=5, $r_{5}= 1.3225 nm $

Work Step by Step

orbital radii for for the hydrogen atom is given by $r_{n}=0.0529\times n^{2} nm$ where n=1,2,3........are states of electron (principal quantum number ) (a) n=2, $r_{2}=0.0529\times 2^{2} nm$= $0.2116 nm $ (b) n=2, $r_{4}=0.0529\times 4^{2} nm$= $0.8464 nm $ (c) n=5, $r_{5}=0.0529\times 5^{2} nm$= $1.3225 nm $
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