Elements, Moles and Mass

This page provides exercises in relating elements, masses and moles. When you press "New Problem" a problem will be presented below 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 "Show Answer" will cause the correct answer to appear and you will no longer be able submit an answer for that problem.
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Results Total Done Total Correct

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