Symbol	Bk	Atomic radius: pm	-	Fusion: kJ/Mole	-
Name	Berkelium	Ionic radius: pm	(+3)96	Boiling point: °C	-
Atomic number	97	Electron affinity	-	Melting point: °C	1050
Atomic weight	247.0	1st  ion potential	6.23	Specific Heat Cap: J/(g K)	-
Classification	Trans metal	Natural form	Solid	Thermal Cond: W/(cm K)	-
Configuration	[Rn]5f97s2	Crystal structure	Hex	Electrical Cond	-
Oxidation states	3,4	Density	14.8	Abundance: mg/kg-crust	Synthetic
Electronegativity	-	Vaporization: kJ/Mole	310.0
Berkelium does not occur in nature.  It was discovered in 1949 by Stanley G. Thompson, Albert Ghiorso, and Glenn T. Seaborg at the University of California at Berkeley as a product resulting from the helium-ion bombardment of americium-241.			Uses -  no known uses