Medical Definition of molecular formula. Molecular formulas are the formulas showing the type of atoms and number of each atom connected in the molecule. A chemical formula is a simple representation in writing of a three dimensional molecule that exists.
Molecular weight number of carbon atoms C atomic weight number of H atoms H atomic weight so we calculate as follows.
Molecular formula a chemical formula expressing the number of each element present in a substance without indicating how they are linked. Chemical Formula Definition 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. Glucose has a molecular formula of C 6 H 12 O 6. Molecular formula a chemical formula expressing the number of each element present in a substance without indicating how they are linked.