Sivukartta Sulje Periodic table of elements Predicting reactions Flame tests Elements to know by heart Simple reactions Simple reactions: Oxidation and burning Metals, metalloids and nonmetals Bonding Groups Group I: Alkali metals Group II: Alkaline earth metals Group III: Boron Group IV: Carbon Group V: Nitrogen Group VI: Oxygen Group VII: Halogens Group VIII: Noble gases Groups of exceptions: Transition metals