| From Classbrain.com Chemistry This great periodic table is ready to use here on ClassBrain. For each element it includes the atomic number and atomic mass easily visible, then if you click on the element, you'll find everything else you need for your Chemitry assignments. Source: Los Alamos National Laboratory's Chemistry Division Source URL: http://periodic.lanl.gov/default.htm © Copyright 2004 by Classbrain.com |