Symbol	U	Atomic radius: pm	139	Fusion: kJ/Mole	9.14
Name	Uranium	Ionic radius: pm	(+6)73	Boiling point: °C	4131
Atomic number	92	Electron affinity	-	Melting point: °C	1135
Atomic weight	238.0	1st  ion potential	6.27	Specific Heat Cap: J/(g K)	0.12
Classification	Trans metal	Natural form	Solid	Thermal Cond: W/(cm K)	0.28
Configuration	[Rn]5f36d17s2	Crystal structure	Ortho	Electrical Cond	0.0380
Oxidation states	3,4,5,6	Density	19.1	Abundance: mg/kg-crust	2.7
Electronegativity	-	Vaporization: kJ/Mole	423.0
Although uranium was discovered in 1789 by Martin Heinrich Klaproth, it was first isolated in 1841 by Eugène-Melchior Péligot.			Uses - nuclear reactor fuel, synthesis of isotopes, x-ray targets for production of high energy x-rays