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 ...

A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a ...

Chemical predictive modelling encompasses empirical computational methods based on observed patterns in data that guide the design of future compounds. Simple physicochemical property-based guidelines ...