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coefficients
A combination of chemical symbols that show what elements make up a compound and the number of atoms of each element in the smallest unit of the compound is a chemical formula.
A molecule contain two or more atoms of chemical elements; each molecule has a specific formula.
Molecule
A chemical formula is the "name" of the molecule of the substance. For example Water's chemical formula is H2O, it represent how many atoms of each element are involved. There are 2 hydrogen and 1 oxygen in the above example.
A chemical formula shows the composition of a substance. It shows the elements present and their relative numbers. There are several types of formula which give specific types of information, but that's the basics.
The chemical formula of sucrose is C12H22O11.
Formula: C12H22O11
A chemical formula is the representation of a molecule of a chemical compound; all the atoms from the molecule of this compound need to be represented in the formula.
You add together the atomic weights of all the atoms (as given by its chemical formula) in the molecule
The chemical formula of a compound states the number and types of atoms in each molecule of a compound.
The atoms in a molecule are summarised by the molecular formula. The molecular formula is the identity and numbers of its constituent atoms.