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 317: 31


Infrared is the electromagnetic radiation that has the longest wavelength.

Work Step by Step

a) The wavelength of visible light is 400nm to 700nm b) The wavelength of ultraviolet light is 10nm to 100nm c) The wavelength of infrared is 1mm to 100um d) Lastly, the wavelength of X-rays is 1nm to 10nm Analyzing the other options, it's clear that infrared electromagnetic radiation has the largest wavelength.
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