kanyatan bab Nihonium lan Actinium
Facts Interesting
ora Cepak
ora Cepak
sumber
sintetik Diprodhuksi
Dijupuk dening Nambani Radium karo Neutron, Ores logam
sing katutup
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Friedrich Oskar Giesel
Discovery
ing 2003
ing taun 1902