Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 2 Atoms, Molecules, and Ions - Study Questions: 3

Answer

$1\times10^{-13}\ cm$

Work Step by Step

Since the representation is proportional to the actual values, we can use the rule of three, where x is the actual nucleus diameter: $\dfrac{200\times10^2\ cm}{2\times10^{-1}\ cm}=\dfrac{1\times10^{-8}\ cm}{x}$ $x=1\times10^{-13}\ cm$
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