Elements, moles and massesThis page contains an array for 107 elements.
When you press "New Problem" a problem is generated by filling two of the cells
in the first table. Put the correct value in the empty cell and press "Check
Ans." Results appear in the second table. You need a periodic table or list of
elements and atomic weights to use this page.
- If you miss a problem three times, pressing the "Show Answer" will cause
the correct answer to appear.
This page was developed by Prof George
Wiger of California
State University, Dominguez Hills campus.