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24 February, 19:07

Predict the following chemical formula for a compound between Al and S.

AIS

Al2S3

AI3S2

AIS3

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Answers (2)
  1. 24 February, 19:18
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    Al2S3. Al has a + 3 charge and S has a - 2 charge, generally speaking
  2. 24 February, 20:40
    0
    Answer: Al2S3

    Explanation: The oxidation number of Al is + 3 since it is in group 3 (Al+3).

    Sulfur is in group 6 and has an oxidation of - 2 since it is a nonmetal and an anion.

    Criss cross the charges and write them as subscripts.

    So the chemical composition is

    Al2S3
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