An element belongs to group II. what would be its valency? write the formulae of molecules of compounds it will form with elements in VA,VIA and VIIA groups

An element belongs to group II. what would be its valency? write the f

1.	An element belongs to group II. what would be its valency? write the formulae of molecules of compounds it will form with elements in VA,VIA and VIIA groups
Answer» TION:VALENCE ELECTRON MICROSCOPY