Question

state the rules to be followed while writing a chemical formula​

Answer 1

Answer:

The rule for writing chemical formula is as follow: Firstly, write the symbols with positive charge valency first. Secondly, write the valency of each atom on the top of its symbol. Thirdly, divide the valency number by their highest common factor ignore the positive or negative radicle.

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Answer 2

Answer:-

#The rule for writing chemical formula is as follow:

(i) Firstly, write the symbols with positive charge valency first.

(ii) Secondly, write the valency of each atom on the top of its symbol.

(iii) Thirdly, divide the valency number by their highest common factor ignore the positive or negative radicle. Interchange the valency of the radicle.

(iv) Lastly, write  the interchanged valency number to the lower right of the radicle.

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