Question

what does a formula represent​

Answer 1

Answer:

A chemical formula tells you the specific elements present in a molecule represented by their symbols from the periodic table and the number of atoms of each present indicated by a subscript number following the symbol. So, H2O refers to two hydrogen atoms and one oxygen atom.

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Answer 2

Answer:

From a chemical point of view, an element contained in the substance is a fundamental question, and we represent the elemental composition by a chemicalformula, such as H2O for water. This formula implies that the water molecules consist of 2 hydrogen, and 1 oxygen atoms.

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