Properties of Uranium

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Property	Unit	Value
Name	-	Uranium
Abbrevation	-	U
Atomic Number	-	92
Group	-	RE
Heat of Fusion	Kcal/g-mole	2.04
Heat of Vaporization	Kcal/g-mole	125.75
Molecular Weight	g/g-mole	238.02890
Melting Point	�C	1132.3
Boiling Point	�C	4167
Refractive Index	-	N/A
Critical Temperature	�C	11726.9
Critical Pressure	atm	N/A
Critical Volume	cm�/g-mol	N/A
Atomic Volume	cm�/g-mol	12.49
Atomic Radii (Bragg-Slater)	pm	190
Atomic Radii (Covalent)	pm	N/A
Atomic Radii (Van der Walls)	pm	N/A
Density	g/cm�	18.95000
Oxidation State	-	6,2,3,4,5
Electron Configuration	-	[Rn]5f3 6d 7s2
Electron Affinity (Theory)	KJ/g-mol	N/A
Electron Affinity (Exp)	KJ/g-mol	N/A
Electronegativity (Pauling)	-	1.70
Electronegativity (Sanderson)	-	N/A
Electronegativity (Allred_Rochow)	-	1.22
Surface Tension @BP	dyn/cm	1550.0
NMR Frequencies of Nuclei	MHz	1.79
Discovery Date	-	1789
Electric Resistivity	mohm-cm	30.8
Linear Thermal Expansion Coefficient	1E-6 cm/cm/�C	12.6
Neutron Capture Cross Section	barns	7.6
Thermal Conductivity	W/m/K	27.6
Magnetic Susceptibility	1e-9 m�/kg	21.6
Abundance, (Sun)	log(atoms/1E12 atoms H)	0.6
Abundance, (Meteorite)	log(atoms/atoms)	-0.4
Abundance, (Earth)	log(pbbw)	1.4
Abundance, (Crust)	log(pbbw)	3
Abundance, (Ocean)	log(1E-12 mol/kg)	4.1
Abundance, (Body)	log(ppmw)	-1
Electrical Conductivity	%IACS	N/A
Electrical Resistance	-	30
Photoelectric Work Function	eV	3.63
Hall's Coefficient	1E-12* volt-cm/amp-Oe	N/A
Electrochemical Equivalent	mg/coulomb	0.41117
Young's Modulus of Elasticity	1E-6 kg/cm�	1.9
Shear Modulus	1E-6 kg/cm�	0.75
Bulk Modulus	1E-6 kg/cm�	1.007
Poisson's Ratio	-	0.245
Hardness	-	220
Hardness Unit	-	VICKERS

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