Question

What is the chemical formula for a compound between Al and S? Al 2S 3 AlS Al 3S 2 Al 2S 2

Answer 1

AI2 S3 , you need the most common oxidation numbers for the two elements
AI: 3+
S: 2-,2+4+ and 6+
AI2 S3 is Aluminium Sulfide which you get from the reaction of the elements: SAI + 3S to get AI2 S3
hope this helped :)!