Question

***the steps involved in writing the chemical formula of a substance are given below :i ) write symbols of elementsii ) If the valenceies are identical, cancel the valenceies iii ) write the valency of the elements iv ) If the valenceies are different , criss - cross and place them with reference to the symbol ***which of these is correct sequence of writing the chemical formula a.) i ii iii ivb.) i iii ii iv c.) i iv ii iii d.) i iii iv ii​

Answer 1

Answer:

A)

Explanation:

I iiiii ok these are the ans