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 ...

One of the main objectives and problems in the discovery of new secondary metabolites is the identification of an exact molecular formula for natural products. [1] Molecular formulas can be employed ...

People have been brewing beer for millennia, and the basic chemistry of fermentation is well understood. But thanks to advanced analytical techniques, scientists continue to learn more about the many ...