Elements, moles, and masses Word Problems

This page provides exercises in relating elements, masses and moles. When you press "New Problem" a problem will be presented above the table. Put the correct value in the answer 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.

Pressing the "Show Answer" will cause the correct answer to appear and you will no longer be able submit an answer for that problem.

The javascripting that powers this practice problem generator was produced by Professor George Wiger of California State University Dominguez Hills.