Breadcrumb Home International Baccalaureate (IB) SC3400, SC3410, SC3420 SC3400, SC3410, SC3420: IB Chemistry Download as PDF Program International Baccalaureate (IB) Parent Program IB Credits 0.5 Weighted Credit +1.0 Grade Level 11, 12 IB Chemistry investigates stoichiometry, atomic theory, bonding, energetics, kinetics, oxidation and reduction and organic chemistry. Prerequisites Satisfactory completion of Biology and Chemistry in grades 9 and 10