An atom of copper weighs 63.54 g divided by Avogadro's number. 63.54 divided by 6.02×1023 is 1.06×10-22 g per copper atom.
Author: Fred Senese email@example.com
Copyright © 1997-2010 by Fred Senese
Comments & questions to firstname.lastname@example.org
Last Revised 08/17/15.URL: http://antoine.frostburg.edu/chem/senese/101/atoms/faq/print-atomic-masses-without-masspec.shtml