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U Element
Uranium


Periodic Table
0
Symbol
U 0
Group Number
0 18
Period Number
7 1
Block
f block 0
Element Family
Actinide 0
CAS Number
7440611 28
Space Group Name
Cmcm 0
Space Group Number
63.00 10
Facts
0
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
0
Sources
Earth's crust, Mining, Ores of Minerals 0
History
0
Who Discovered
Not Available 0
Discovery
In 1789 0
Abundance
0
Abundance In Universe
2 * 10-8 % 29
Abundance In Sun
~0.0000001 % 26
Abundance In Meteorites
0.00 % 50
Abundance In Earth's Crust
0.00 % 36
Abundance In Oceans
0.00 % 11
Abundance In Humans
Not Available 0
Uses
0
Uses & Benefits
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
0
Industrial Uses
Ammunition Industry, Chemical Industry 0
Medical Uses
NA 0
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues 0
Biological Properties
0
Toxicity
Toxic 0
Present in Human Body
No 0
In Blood
Not Available 0
In Bone
Not Available 0
Physical
0
Melting Point
1,132.00 °C 39
Boiling Point
3,818.00 °C 16
Appearance
0
Physical State
Solid 0
Color
Silvery Gray 0
Luster
Metallic 0
Hardness
0
Mohs Hardness
6.00 6
Brinell Hardness
2,350.00 MPa 2
Vickers Hardness
1,960.00 MPa 2
Speed of Sound
3,155.00 m/s 25
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
U 0
Isotopes
0
Known Isotopes
25 14
Electronegativity
0
Pauling Electronegativity
1.38 28
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.22 26
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
2.62 26
Ionization Energies
0
1st Energy Level
597.60 kJ/mol 54
2nd Energy Level
1,420.00 kJ/mol 46
3rd Energy Level
1,900.00 kJ/mol 79
4th Energy Level
3,145.00 kJ/mol 64
5th Energy Level
Not Available 0
6th Energy Level
Not Available 0
7th Energy level
Not Available 0
8th Energy Level
Not Available 0
9th Energy Level
Not Available 0
10th Energy Level
Not Available 0
11th Energy Level
Not Available 0
12th Energy Level
Not Available 0
13th Energy Level
Not Available 0
14th Energy Level
Not Available 0
15th Energy Level
Not Available 0
16th Energy Level
Not Available 0
17th Energy Level
Not Available 0
18th Energy Level
Not Available 0
19th Energy Level
Not Available 0
20th Energy Level
Not Available 0
21st Energy Level
Not Available 0
22nd Energy Level
Not Available 0
23rd Energy Level
Not Available 0
24th Energy Level
Not Available 0
25th Energy Level
Not Available 0
26th Energy Level
Not Available 0
27th Energy Level
Not Available 0
28th Energy Level
Not Available 0
29th Energy Level
Not Available 0
30th Energy Level
Not Available 0
Electrochemical Equivalent
1.48 g/amp-hr 46
Electron Work Function
3.63 eV 30
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity 0
Atomic
0
Atomic Number
92 26
Electron Configuration
[Rn] 5f3 6d1 7s2 0
Crystal Structure
Orthorhombic (ORTH) 0
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100 0
Atom
0
Number of Protons
92 26
Number of Neutrons
146 13
Number of Electrons
92 26
Radius of an Atom
0
Atomic Radius
156.00 pm 29
Covalent Radius
196.00 pm 14
Van der Waals Radius
186.00 pm 33
Atomic Weight
238.03 amu 21
Atomic Volume
12.59 cm3/mol 40
Adjacent Atomic Numbers
0
Previous Element
85 0
Next Element
54 0
Valence Electron Potential
170.00 (-eV) 4
Lattice Constant
295.08 pm 61
Lattice Angles
π/2, π/2, π/2 0
Lattice C/A Ratio
Not Available 0
Mechanical
0
Density
0
Density At Room Temperature
19.10 g/cm3 17
Density When Liquid (at m.p.)
17.30 g/cm3 7
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
0.01 (Pa) 20
Elasticity properties
0
Shear Modulus
111.00 GPa 10
Bulk Modulus
100.00 GPa 16
Young's Modulus
208.00 GPa 10
Poisson Ratio
0.23 30
Other Mechanical Properties
Ductile, Malleable 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
18.80 10
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
Poor Conductor 0
Resistivity
0.28 nΩ·m 68
Electrical Conductivity
0.04 106/cm Ω 37
Electron Affinity
Not Available 0
Thermal
0
Specific Heat
0.12 J/(kg K) 40
Molar Heat Capacity
27.67 J/mol·K 15
Thermal Conductivity
27.50 W/m·K 40
Critical Temperature
Not Available 0
Thermal Expansion
13.90 µm/(m·K) 27
Enthalpy
0
Enthalpy of Vaporization
477.00 kJ/mol 13
Enthalpy of Fusion
15.48 kJ/mol 19
Enthalpy of Atomization
489.50 kJ/mol 14
Standard Molar Entropy
50.20 J/mol.K 31
Summary >>
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Actinide Metals

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Actinide Metals

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