kanyatan bab Actinium lan Flerovium
Facts Interesting
ora Cepak
  
ora Cepak
  
sumber
Dijupuk dening Nambani Radium karo Neutron, Ores logam
  
NA
  
History
  
  
sing katutup
Friedrich Oskar Giesel
  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
  
Discovery
ing taun 1902
  
ing taun 1999
  
turah mbrawah