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