Using the Periodic Table, predict the formulae of compounds which might be formed by the following pairs of elements, aluminium and sulphur.

Using the Periodic Table, predict the formulae of compounds which migh

1.	Using the Periodic Table, predict the formulae of compounds which might be formed by the following pairs of elements, aluminium and sulphur.
Answer» Solution :Aluminium BELONGS to GROUP 13 with a VALENCY of 3, Sulphur belongs to group 16 with a valency of 2. Hence the formula of the compound formed would be `Al_2S_3`