This program is a fun, animated lesson in physical and chemical changes. The atoms are looking for partners and employment. Xenon and Krypton set up as Marriage Councellor and Employment Officer and conduct a series of marriages, H to O and Na to Cl etc. A friendship or physical change is formed between iron and carbon to make steel. They find jobs for various elements, compounds and mixtures. This lively program will help newcomers remember the principles that underpin atomic chemistry.