Atoms, Symbols and Equations - Version 2.1 Unique interactive multimedia Chemistry tutor for Windows which tests students as they learn. Topics covered include: elements, symbols, Periodic Table, chemical formulas, writing and balancing equations, atomic structure and the formation of ions. As far as possible, skills are taught through familiar examples, to help reinforce general chemical knowledge. Written by a teacher for use in schools, but an excellent personal tutor for anyone beginning to study Chemistry. Now with answers, an element symbols game and a printable certificate at the end of each unit - plus a top 5 star rating from ZDNet.