Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 6 - Electronic Structure of Atoms - Exercises: 6.20a

Answer

3.49 x 10^17 Hz

Work Step by Step

For electromagnetic radiation we know that: lamba (wavelength) * nu (frequency) = c (speed of light) the speed of light is 3 x 10^8 m/s We are given a wavelength of 0.86nm so we need to convert this to meters. One nm is 1x10^-9m so we have: 0.86 nm * (1m/1x10^9 nm) = 8.6 x 10^-10 m Therefore, we have nu (frequency) = (3x10^8 m/s) / (8.6 x 10^-10m) = 3.49 x 10^17 Hz
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