Question

deduce the molecular formula of H ( valencey 1 ) O (valencey 2 )
NH3
FeS​

Answer 1

Answer:

(Valency 3) & H (Valency 1):

Step 1 : Write the symbols of the radicals.

N H

Step 2 : Write the valency below the respective radical.

N H

3 1

Step 3 : Cross-multiply symbols of radicals with their respective valency.

Step 4 : Write down the