Definition	after 'berkeley' the home of university of california. it is the most stable isotopes with 1400 half life years.
Discovery	1949
Uses	--
Group of Elements	Actinides(Solid)
Atomic Weight	(247)
Oxidation State	+3,4
Melting Point	--
Boiling Point	--
Density	-- g/cm3
Electronegativity	--