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what is the scientific definition of a formula. A chemical formula describes a substance down to the exact atoms which make it up. An arrangement of signs or letters used in chemistry arithmetic etc to express an idea briefly.
Formula ˈfoːmjulə plurals ˈformulae -liː ˈformulas noun 1. 1 An equation or expression. For example H 2 O is the formula for water where H 2 indicates two atoms of hydrogen and O indicates one atom of oxygen.
A chemical formula is a simple representation in writing of a three dimensional molecule that exists.
The informal use of the term formula in science refers to the general construct of a relationship between given quantities. The kilogram is defined in terms of three fundamental physical constants. In cooking a recipe is a formula. The informal use of the term formula in science refers to the general construct of a relationship between given quantities.