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Uranium Cobalt Comparison

Uranium
Cobalt
Cobalt Uranium comparison


Periodic Table
Symbol
U   
Co   
Group Number
0   
18
9   
9
Period Number
7   
4   
Block
f block   
d block   
Element Family
Actinide   
Transition Metal   
CAS Number
7440611   
28
7440484   
38
Space Group Name
Cmcm   
P63/mmc   
Space Group Number
63.00   
10
194.00   
5
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • The main source of Cobalt is as a by-product of copper and nickel metal mining.
  • Cobalt metal can be obtained from other elements like Oxygen, Sulfur and Arsenic.
  • It s also used in electroplating process as it exhibits anti cession properties.
  
Sources
Earth's crust, Mining, Ores of Minerals   
Found in Compounds, Mining, Ores of Minerals   
History
  
  
Who Discovered
Not Available   
Georg Brandt   
Discovery
In 1789   
In 1732   
Abundance
  
  
Abundance In Universe
2 * 10-8 %   
29
3 * 10-4 %   
9
Abundance In Sun
~0.0000001 %   
26
~0.0004 %   
9
Abundance In Meteorites
0.00 %   
99+
0.06 %   
10
Abundance In Earth's Crust
0.00 %   
36
0.00 %   
21
Abundance In Oceans
0.00 %   
11
0.00 %   
20
Abundance In Humans
Not Available   
0.00 %   
17
Uses
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.
  
  • Its alloys with aluminum and nickel are used to make powerful magnets.
  • Few other alloys exhibit high-temperature strength and hence they are used in Turbines of Jet and Gas engine.
  
Industrial Uses
Ammunition Industry, Chemical Industry   
Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
Pharmaceutical Industry   
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.04 Blood/mg dm-3   
18
In Bone
Not Available   
0.04 p.p.m.   
27
Physical Properties
Melting Point
1,132.00 °C   
39
1,495.00 °C   
29
Boiling Point
3,818.00 °C   
16
2,870.00 °C   
34
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray   
Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.00   
6
5.00   
8
Brinell Hardness
2,350.00 MPa   
2
470.00 MPa   
26
Vickers Hardness
1,960.00 MPa   
2
1,043.00 MPa   
11
Speed of Sound
3,155.00 m/s   
25
4,720.00 m/s   
14
Optical Properties
  
  
Reflectivity
Not Available   
67.00 %   
11
Allotropes
No   
Yes   
α Allotropes
Not Available   
α-Cobalt   
β Allotropes
Not Available   
β-Cobalt   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
U   
Co   
Isotopes
  
  
Known Isotopes
25   
14
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
1.88   
12
Sanderson Electronegativity
Not Available   
2.56   
1
Allred Rochow Electronegativity
1.22   
26
1.70   
5
Allen Electronegativity
Not Available   
1.84   
10
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
2.12   
99+
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
760.40 kJ/mol   
19
2nd Energy Level
1,420.00 kJ/mol   
99+
1,648.00 kJ/mol   
31
3rd Energy Level
1,900.00 kJ/mol   
99+
3,232.00 kJ/mol   
22
4th Energy Level
3,145.00 kJ/mol   
99+
4,950.00 kJ/mol   
19
5th Energy Level
Not Available   
7,670.00 kJ/mol   
12
6th Energy Level
Not Available   
9,840.00 kJ/mol   
12
7th Energy level
Not Available   
12,440.00 kJ/mol   
11
8th Energy Level
Not Available   
15,230.00 kJ/mol   
12
9th Energy Level
Not Available   
17,959.00 kJ/mol   
13
10th Energy Level
Not Available   
26,570.00 kJ/mol   
7
11th Energy Level
Not Available   
29,400.00 kJ/mol   
8
12th Energy Level
Not Available   
32,400.00 kJ/mol   
8
13th Energy Level
Not Available   
36,600.00 kJ/mol   
8
14th Energy Level
Not Available   
39,700.00 kJ/mol   
9
15th Energy Level
Not Available   
42,800.00 kJ/mol   
12
16th Energy Level
Not Available   
49,396.00 kJ/mol   
11
17th Energy Level
Not Available   
52,737.00 kJ/mol   
13
18th Energy Level
Not Available   
134,810.00 kJ/mol   
1
19th Energy Level
Not Available   
145,170.00 kJ/mol   
2
20th Energy Level
Not Available   
154,700.00 kJ/mol   
4
21st Energy Level
Not Available   
167,400.00 kJ/mol   
4
22nd Energy Level
Not Available   
178,100.00 kJ/mol   
3
23rd Energy Level
Not Available   
189,300.00 kJ/mol   
3
Electrochemical Equivalent
1.48 g/amp-hr   
99+
1.10 g/amp-hr   
99+
Electron Work Function
3.63 eV   
30
5.00 eV   
5
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization   
Atomic Properties
Atomic Number
92   
26
22   
99+
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Ar] 3d2 4s2   
Crystal Structure
Orthorhombic (ORTH)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
HCP-Crystal-Structure-of-Cobalt.jpg#100   
Atom
  
  
Number of Protons
92   
26
22   
99+
Number of Neutrons
146   
13
26   
99+
Number of Electrons
92   
26
22   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
147.00 pm   
34
Covalent Radius
196.00 pm   
14
160.00 pm   
30
Van der Waals Radius
186.00 pm   
33
200.00 pm   
28
Atomic Weight
238.03 amu   
21
47.87 amu   
99+
Atomic Volume
12.59 cm3/mol   
40
10.64 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Iron
  
Next Element
Neptunium
  
Nickel
  
Valence Electron Potential
170.00 (-eV)   
4
95.20 (-eV)   
10
Lattice Constant
295.08 pm   
99+
295.08 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
19.10 g/cm3   
17
4.51 g/cm3   
99+
Density When Liquid (at m.p.)
17.30 g/cm3   
7
4.11 g/cm3   
99+
Tensile Strength
Not Available   
434.00 MPa   
9
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.01 (Pa)   
20
0.98 (Pa)   
14
Elasticity properties
  
  
Shear Modulus
111.00 GPa   
10
44.00 GPa   
17
Bulk Modulus
100.00 GPa   
16
110.00 GPa   
15
Young's Modulus
208.00 GPa   
10
116.00 GPa   
18
Poisson Ratio
0.23   
30
0.32   
12
Other Mechanical Properties
Ductile, Malleable   
Ductile   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
18.80   
10
4,500.00   
1
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Poor Conductor   
Poor Conductor   
Resistivity
0.28 nΩ·m   
99+
420.00 nΩ·m   
12
Electrical Conductivity
0.04 106/cm Ω   
37
0.02 106/cm Ω   
99+
Electron Affinity
Not Available   
7.60 kJ/mol   
37
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.52 J/(kg K)   
9
Molar Heat Capacity
27.67 J/mol·K   
15
25.06 J/mol·K   
99+
Thermal Conductivity
27.50 W/m·K   
40
21.90 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
13.90 µm/(m·K)   
27
8.60 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol   
13
429.00 kJ/mol   
15
Enthalpy of Fusion
15.48 kJ/mol   
19
15.48 kJ/mol   
19
Enthalpy of Atomization
489.50 kJ/mol   
14
468.60 kJ/mol   
15
Standard Molar Entropy
50.20 J/mol.K   
31
27.30 J/mol.K   
99+
Summary >>
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