Timeline of Chemical Elements Discoveries - Unconfirmed Discoveries

Unconfirmed Discoveries

Z Name Discovery
year		 Discoverer Notes
118 Ununoctium 2002 Joint Institute for Nuclear Research in Dubna and Lawrence Livermore National Laboratory Prepared by bombardment of californium with calcium
113 Ununtrium 2003 Joint Institute for Nuclear Research in Dubna and Lawrence Livermore National Laboratory Alpha decay of ununpentium
115 Ununpentium 2003 Joint Institute for Nuclear Research in Dubna and Lawrence Livermore National Laboratory Prepared by bombardment of americium with calcium
117 Ununseptium 2010 Joint Institute for Nuclear Research in Dubna and Lawrence Livermore National Laboratory Prepared by bombardment of berkelium with calcium

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