A chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. The ratio of each element is ...

The chemical formula NH2 might seem simple, but it represents a crucial functional group in organic chemistry, known ...

Of the following, the only empirical formula is the one that represents the simplest whole-number ratio of atoms in a ...

The chemical formula of a covalent molecular substance gives the number of atoms per molecule. The formula of a covalent network or ionic compound gives the simplest ratio of atoms/ions in the ...