Question

What is a chemical formula? what rules should be followed while writing a chamical formula​

Answer 1

Answer:

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes other symbols, such as parentheses, dashes, brackets, commas, plus and minus signs.

The rule for writing chemical formula are:-

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

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

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

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