Answer
$E=4.4*10^{-19}$
Work Step by Step
We know that:
$E = \frac{hc}{ \lambda}$
When we substitute, we find:
$E = \frac{6.625*10^{-34}*3*10^8}{ 450*10^{-9}}$
$E=4.4*10^{-19}$
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 5 - Electron Configurations and the Periodic Table - Questions for Review and Thought - Topical Questions - Page 240: 15
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