Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 9 - Electrons in Atoms and the Periodic Table - Exercises - Problems - Page 318: 47

Answer

2p to 1s

Work Step by Step

This transition(2p to 1s) releases less energy, because the electron is jumping less energy levels. Hence, the wavelength of light is longer because wavelength is inversely proportional to energy.
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