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Uranium vs Cobalt

Uranium
Cobalt
Cobalt vs Uranium


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  
13
194.00  
7
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
-  
Georg Brandt  
Discovery
In 1789  
In 1732  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
10
Abundance In Sun
0.00 %  
26
0.00 %  
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
0.00 %  
24
0.00 %  
20
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
-  
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
0.00 Blood/mg dm-3  
37
0.04 Blood/mg dm-3  
18
In Bone
1.20 p.p.m.  
19
0.04 p.p.m.  
32
Physical
Melting Point
1,132.00 °C  
39
1,495.00 °C  
29
Boiling Point
3,818.00 °C  
16
2,870.00 °C  
35
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  
31
Vickers Hardness
1,960.00 MPa  
6
1,043.00 MPa  
18
Speed of Sound
3,155.00 m/s  
36
4,720.00 m/s  
18
Optical Properties
  
  
Refractive Index
1.38  
40
2.50  
5
Reflectivity
80.00 %  
7
67.00 %  
16
Allotropes
No  
Yes  
α Allotropes
-  
α-Cobalt  
β Allotropes
-  
β-Cobalt  
γ Allotropes
-  
-  
Chemical
Chemical Formula
U  
Co  
Isotopes
  
  
Known Isotopes
25  
14
26  
13
Electronegativity
  
  
Pauling Electronegativity
1.38  
29
1.88  
13
Sanderson Electronegativity
1.38  
22
2.56  
1
Allred Rochow Electronegativity
1.22  
27
1.70  
6
Mulliken-Jaffe Electronegativity
1.38  
29
1.88  
14
Allen Electronegativity
1.38  
36
1.84  
13
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  
32
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  
29
5th Energy Level
5,976.00 kJ/mol  
99+
7,670.00 kJ/mol  
18
6th Energy Level
5,976.00 kJ/mol  
99+
9,840.00 kJ/mol  
18
7th Energy level
5,970.00 kJ/mol  
99+
12,440.00 kJ/mol  
11
8th Energy Level
5,976.00 kJ/mol  
99+
15,230.00 kJ/mol  
12
9th Energy Level
5,976.00 kJ/mol  
99+
17,959.00 kJ/mol  
13
10th Energy Level
5,976.00 kJ/mol  
99+
26,570.00 kJ/mol  
7
11th Energy Level
5,976.00 kJ/mol  
99+
29,400.00 kJ/mol  
8
12th Energy Level
5,970.00 kJ/mol  
99+
32,400.00 kJ/mol  
30
13th Energy Level
5,970.00 kJ/mol  
99+
36,600.00 kJ/mol  
8
14th Energy Level
5,970.00 kJ/mol  
34
39,700.00 kJ/mol  
9
15th Energy Level
59,700.00 kJ/mol  
99+
42,800.00 kJ/mol  
99+
16th Energy Level
59,700.00 kJ/mol  
35
49,396.00 kJ/mol  
99+
17th Energy Level
597.60 kJ/mol  
99+
52,737.00 kJ/mol  
13
18th Energy Level
5,976.00 kJ/mol  
99+
134,810.00 kJ/mol  
1
19th Energy Level
597.60 kJ/mol  
99+
145,170.00 kJ/mol  
2
20th Energy Level
597.00 kJ/mol  
99+
154,700.00 kJ/mol  
4
21st Energy Level
597.60 kJ/mol  
99+
167,400.00 kJ/mol  
4
22nd Energy Level
597.00 kJ/mol  
99+
178,100.00 kJ/mol  
3
23rd Energy Level
597.60 kJ/mol  
99+
189,300.00 kJ/mol  
3
24th Energy Level
597.60 kJ/mol  
99+
760.40 kJ/mol  
17
25th Energy Level
597.60 kJ/mol  
99+
760.40 kJ/mol  
17
26th Energy Level
597.60 kJ/mol  
99+
760.40 kJ/mol  
17
27th Energy Level
597.60 kJ/mol  
99+
760.40 kJ/mol  
16
28th Energy Level
597.60 kJ/mol  
99+
760.40 kJ/mol  
22
29th Energy Level
597.60 kJ/mol  
99+
760.40 kJ/mol  
23
30th Energy Level
597.60 kJ/mol  
99+
760.40 kJ/mol  
17
Electrochemical Equivalent
1.48 g/amp-hr  
99+
1.10 g/amp-hr  
99+
Electron Work Function
3.63 eV  
99+
5.00 eV  
9
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Chemical Stability, Ionization  
Atomic
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  
14
26  
99+
Number of Electrons
92  
26
22  
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
147.00 pm  
36
Covalent Radius
196.00 pm  
14
160.00 pm  
32
Van der Waals Radius
186.00 pm  
40
200.00 pm  
35
Atomic Weight
238.03 amu  
21
47.87 amu  
99+
Atomic Volume
12.59 cm3/mol  
99+
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
1.02  
99+
1.26  
99+
Mechanical
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  
17
4.11 g/cm3  
99+
Tensile Strength
100.00 MPa  
28
434.00 MPa  
10
Viscosity
0.00  
21
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
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  
11
116.00 GPa  
20
Poisson Ratio
0.23  
30
0.32  
12
Other Mechanical Properties
Ductile, Malleable  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
18.80  
19
4,500.00  
1
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
16
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
3
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  
99+
0.02 106/cm Ω  
99+
Electron Affinity
50.60 kJ/mol  
25
7.60 kJ/mol  
99+
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.52 J/(kg K)  
9
Molar Heat Capacity
27.67 J/mol·K  
18
25.06 J/mol·K  
99+
Thermal Conductivity
27.50 W/m·K  
99+
21.90 W/m·K  
99+
Critical Temperature
1,405.00 K  
99+
1,768.00 K  
32
Thermal Expansion
13.90 µm/(m·K)  
30
8.60 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol  
18
429.00 kJ/mol  
20
Enthalpy of Fusion
15.48 kJ/mol  
19
15.48 kJ/mol  
19
Enthalpy of Atomization
489.50 kJ/mol  
18
468.60 kJ/mol  
20
Standard Molar Entropy
50.20 J/mol.K  
99+
27.30 J/mol.K  
99+
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