Question

How we can write the formula of compounds

Answer 1

Answer:

by using their valency

as using cross valencing

for eg. NaCl is a compound in which both Na and Cl has valency of 1 ......

and like in H2O Hydrogen has valency of 1 and oxygen has valency of 2

hope it will help you now

plzz mark me as a brainliest

thank you for giving me a chance