Atoms, Bonding and Structure - Version 1.3 Unique interactive multimedia Chemistry teaching software which tests students as they learn. Teaches about elements, compounds, mixtures, atomic structure, ionic bonding, covalent bonding, bond energies and much more. Includes two online Periodic Tables. Written by a teacher for use in schools, but an excellent personal tutor for anyone beginning to study Chemistry. With a top 5 star rating from ZDNet