Question

predict the formula of compound formed by aluminum and sulphur

Answer 1

The formula of compound formed by aluminum and sulphur is Al^2S^3.

Al3 ^ + and S2 ^ - combine to form Al^2S^3

Answer 2

Answer:

Valence e ⁻s in Al is 3

Valence e⁻s in S is 2

Therefore  the compound formed is Al₂S₃