Question

Define chemical formula and write its significance.​

Answer 1

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A chemical formula is a notation used by scientists to show the number and type of atoms present in a molecule, using the atomic symbols and numerical subscripts. A chemical formula is a simple representation, in writing, of a three dimensional molecule that exists.

The significance of a chemical formulas are :

• Formula represents the name of a substance.

• Formula represents 6.022*1023(one mole) of molecules of a substance.

• Formula represents the name of the elements present in it.

• Formula gives the no. of atoms of each element present in one molecule of the substance.

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Answer 2

Answer:

A chemical formula is a notation used by scientists to show the number and type of atoms present in a molecule, using the atomic symbols and numerical subscripts. A chemical formula is a simple representation, in writing, of a three dimensional molecule that exists.

The significance of a chemical formulas are :

Formula represents the name of a substance.

Formula represents 6.022*1023(one mole) of molecules of a substance.

Formula represents the name of the elements present in it.

Formula gives the no. of atoms of each element present in one molecule of the substance.