Definition	is produced by bombarding plutonium with neutrons. uselful as target material in nuclear reactor.
Discovery	1944 by glenn T seaborg of USA
Uses	Glass thickness gauge
Group of Elements	Actinides(Solid)
Atomic Weight	(243)
Oxidation State	+3,4,5,6
Melting Point	994
Boiling Point	2607
Density	-- g/cm3
Electronegativity	--