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Chemistry 16 Online
OpenStudy (anonymous):

What will be the formula of a compound formed by aluminum and sulfur? AlS4 AlS Al3S2 Al2S3

OpenStudy (anonymous):

The Aluminum Ion Al^3+ and the Sulfur Ion S^2- create the compound Al2S3. All you have to do is criss-cross the exponents, and keep the Cation (Aluminum) first. Hope I helped!

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