<Ul> <Li> Etymology </Li> <Li> controversies </Li> <Li> places </Li> <Li> scientists </Li> <Li> in East Asia </Li> </Ul> <Li> in East Asia </Li> <Tr> <Th> See also </Th> <Td> <Ul> <Li> IUPAC <Ul> <Li> nomenclature </Li> <Li> systematic element name </Li> </Ul> </Li> <Li> Trivial name </Li> <Li> Dmitri Mendeleev </Li> </Ul> </Td> </Tr> <Ul> <Li> IUPAC <Ul> <Li> nomenclature </Li> <Li> systematic element name </Li> </Ul> </Li> <Li> Trivial name </Li> <Li> Dmitri Mendeleev </Li> </Ul>

Elements in the same period of the periodic table