Question

write the chemical formulae of the following using criss cross method Ferrous sulphide​

Answer 1

ANSWER: fe²+ So4 ²-

fe². (So4)2

FeSo⁴

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Answer 2

Answer:

Explanation:

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