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Lithium is +1 and Selenium is -2, so Li2Se (Lithium Selenide).

Check out the related link. You can type in the chemical formula LI2SE, and it will give you the molecular weight (mass) and also the name of the compound (if it is a named compound). Like try H2SO4 and it tells you Sulfuric Acid. Note: you have to scroll about half way down to get past all of the advertisements.

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14y ago

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