Question

***the steps involved in writing the chemical formula of a substance are given below :


i ) write symbols of elements

ii ) 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 iv
b.) i iii ii iv
c.) i iv ii iii
d.) i iii iv ii
​

Answer 1

Answer:

b) is the correct sequence of writing the chemical formula

Answer 2

Answer:

b is the answer c will be the answer of questions first