<Tr> <Td_colspan="2"> Period 6 </Td> <Td> Cs </Td> <Td> Ba </Td> <Td> La </Td> <Td> Ce--Lu </Td> <Td> Hf </Td> <Td> Ta </Td> <Td> </Td> <Td> Re </Td> <Td> Os </Td> <Td> Ir </Td> <Td> Pt </Td> <Td> Au </Td> <Td> Hg </Td> <Td> Tl </Td> <Td> Pb </Td> <Td> Bi </Td> <Td> Po </Td> <Td> At </Td> <Td> Rn </Td> </Tr> <Tr> <Td_colspan="2"> Period 7 </Td> <Td> Fr </Td> <Td> Ra </Td> <Td> Ac </Td> <Td> Th--Lr </Td> <Td> Rf </Td> <Td> Db </Td> <Td> Sg </Td> <Td> Bh </Td> <Td> Hs </Td> <Td> Mt </Td> <Td> Ds </Td> <Td> Rg </Td> <Td> Cn </Td> <Td> Nh </Td> <Td> Fl </Td> <Td> Mc </Td> <Td> Lv </Td> <Td> Ts </Td> <Td> Og </Td> </Tr> <Table> <Tr> <Th> New IUPAC names </Th> <Th> Old IUPAC (Europe) </Th> <Th> CAS (U.S.) </Th> <Th> Name by element </Th> <Th> Trivial name (* = IUPAC recommended name) </Th> <Th> note </Th> </Tr> <Tr> <Td> Group 1 </Td> <Td> IA </Td> <Td> IA </Td> <Td> lithium family </Td> <Td> alkali metals * </Td> <Td> </Td> </Tr> <Tr> <Td> Group 2 </Td> <Td> IIA </Td> <Td> IIA </Td> <Td> beryllium family </Td> <Td> alkaline earth metals * </Td> <Td> </Td> </Tr> <Tr> <Td> Group 3 </Td> <Td> IIIA </Td> <Td> IIIB </Td> <Td> scandium family </Td> <Td> </Td> <Td> Consisting of rare earth elements plus actinides </Td> </Tr> <Tr> <Td> Group 4 </Td> <Td> IVA </Td> <Td> IVB </Td> <Td> titanium family </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Group 5 </Td> <Td> VA </Td> <Td> VB </Td> <Td> vanadium family </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Group 6 </Td> <Td> VIA </Td> <Td> VIB </Td> <Td> chromium family </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Group 7 </Td> <Td> VIIA </Td> <Td> VIIB </Td> <Td> manganese family </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Group 8 </Td> <Td> VIII </Td> <Td> VIIIB </Td> <Td> iron family </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Group 9 </Td> <Td> VIII </Td> <Td> VIIIB </Td> <Td> cobalt family </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Group 10 </Td> <Td> VIII </Td> <Td> VIIIB </Td> <Td> nickel family </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Group 11 </Td> <Td> IB </Td> <Td> IB </Td> <Td> copper family </Td> <Td> coinage metals </Td> <Td> </Td> </Tr> <Tr> <Td> Group 12 </Td> <Td> IIB </Td> <Td> IIB </Td> <Td> zinc family </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Group 13 </Td> <Td> IIIB </Td> <Td> IIIA </Td> <Td> boron family </Td> <Td> triels </Td> <Td> triels from Greek tri (three, III) </Td> </Tr> <Tr> <Td> Group 14 </Td> <Td> IVB </Td> <Td> IVA </Td> <Td> carbon family </Td> <Td> tetrels </Td> <Td> tetrels from Greek tetra (four, IV) </Td> </Tr> <Tr> <Td> Group 15 </Td> <Td> VB </Td> <Td> VA </Td> <Td> nitrogen family </Td> <Td> pentels, pnictogens * </Td> <Td> pentels from Greek penta (five, V) </Td> </Tr> <Tr> <Td> Group 16 </Td> <Td> VIB </Td> <Td> VIA </Td> <Td> oxygen family </Td> <Td> chalcogens * </Td> <Td> </Td> </Tr> <Tr> <Td> Group 17 </Td> <Td> VIIB </Td> <Td> VIIA </Td> <Td> fluorine family </Td> <Td> halogens * </Td> <Td> </Td> </Tr> <Tr> <Td> Group 18 </Td> <Td> Group 0 </Td> <Td> VIIIA </Td> <Td> helium family or neon family </Td> <Td> noble gases * </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> New IUPAC names </Th> <Th> Old IUPAC (Europe) </Th> <Th> CAS (U.S.) </Th> <Th> Name by element </Th> <Th> Trivial name (* = IUPAC recommended name) </Th> <Th> note </Th> </Tr>

Names of groups of elements on periodic table
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