The number of protons in the atom of an element determines its place in the Periodic Table. The number of electrons in an atom is the same as the number of protons. These electrons are arranged in shells or 'energy levels' around the...

Learn about naming chemical compounds in chemistry including conventions, the order of the elements, metals, non-metals, acids, and examples on naming on this site.

Kids learn about soaps and salts in chemistry including interesting facts, how soap is made, how soap works, and what are salts in this site.