Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 2 - Atoms, Molecules, and Ions - Questions & Problems - Page 68: 2.7

Answer

$1\times10^8$ helium atoms

Work Step by Step

diameter of helium atom: $1\times10^2pm$ = $1\times10^{-10}m$ distance = 1 cm = $1\times10^{-2}m$ number of helium atoms = $\frac{1\times10^{-2}}{1\times10^{-10}}$ = $1\times10^8$ helium atoms
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.