EVERYDAY SCIENCE

Detailed explanation-1: -Chemical Formula – Notation that shows what elements a compound contains and the ratio of the atoms of ions of these elements in the compound.

Detailed explanation-2: -A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements. Water is composed of hydrogen and oxygen in a 2:1 ratio. The chemical formula for water is H2O.

Detailed explanation-3: -The chemical formula of a compound describes the number of atoms of each element in the molecule using subscript notation.

Detailed explanation-4: -The empirical formula of a compound gives the simplest ratio of the number of different atoms present, whereas the molecular formula gives the actual number of each different atom present in a molecule.

Detailed explanation-5: -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.