Question

formula of ferrous sulphide by Criss cross method​

Answer 1

Answer hi mate here is ur answer

we know that the electronic configuration of fe 2,8,14,2

hence the valency is 2

the electronic configuration of sulphur is ( 2,8,6)

the valency of sulphur is 8-6 = 2

hence by the criss cross method

the answer comes out to be fes

hope it helps !!!

Answer 2

Answer:

I hope this answer is correct.