kanyatan bab Nihonium lan Francium
Facts Interesting
ora Cepak
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
sumber
sintetik Diprodhuksi
Kawangun dening Process Bosok, Mining
sing katutup
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Marguerite Perey
Discovery
ing 2003
ing taun 1939