Question

what are the rules that we have to follow while writting a chemical formula?​

Answer 1

Hi here is your answer

1. You have to write the recant at the left hand side LHS, with a + sign, and a arrow ➡ towards the product - - - - - - - - > product in right hand side RHS, same with a +symbol,
2. Check whether the atom of the elements are correct in both sides.
3. Write the correct formula