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Question

What is meant by the chemical formula? Write some of the compounds you know with their chemical formula.

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Solution

A compound is a substance made up of a definite proportion of two or more elements. A chemical formula tells us the number of atoms of each element in a compound. It contains the symbols of the atoms of the elements present in the compound as well as how many there are for each element in the form of subscripts.
Compounds with their chemical formula.
Salt NaCl
Glucose C12H22O11
Vinegar or acetic acid C2H3O2
Baking soda NaHCO3

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