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Uranium vs Platinum

Uranium
Platinum
Platinum vs Uranium


Periodic Table
Symbol
U   
Pt   
Group Number
0   
18
10   
8
Period Number
7   
6   
Block
f block   
d block   
Element Family
Actinide   
Transition Metal   
CAS Number
7440611   
28
7440064   
99+
Space Group Name
Cmcm   
Fm_ 3m   
Space Group Number
63.00   
10
225.00   
2
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  
Sources
Earth's crust, Mining, Ores of Minerals   
Mining, Ores of metals, Ores of Minerals   
History
  
  
Who Discovered
Not Available   
Antonio de Ulloa   
Discovery
In 1789   
In 1735   
Abundance
  
  
Abundance In Universe
2 * 10-8 %   
29
5 * 10-7 %   
19
Abundance In Sun
~0.0000001 %   
26
~0.0000009 %   
19
Abundance In Meteorites
0.00 %   
99+
0.00 %   
25
Abundance In Earth's Crust
0.00 %   
36
0.00 %   
99+
Abundance In Oceans
0.00 %   
11
Not Available   
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.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  
Industrial Uses
Ammunition Industry, Chemical Industry   
Aerospace Industry, Chemical Industry   
Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues   
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Toxic   
Non Toxic   
Present in Human Body
No   
No   
Physical Properties
Melting Point
1,132.00 °C   
39
1,772.00 °C   
16
Boiling Point
3,818.00 °C   
16
3,827.00 °C   
15
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.00   
6
3.50   
11
Brinell Hardness
2,350.00 MPa   
2
300.00 MPa   
34
Vickers Hardness
1,960.00 MPa   
2
400.00 MPa   
25
Speed of Sound
3,155.00 m/s   
25
2,800.00 m/s   
29
Optical Properties
  
  
Reflectivity
Not Available   
73.00 %   
8
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
U   
Pt   
Isotopes
  
  
Known Isotopes
25   
14
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
2.28   
3
Allred Rochow Electronegativity
1.22   
26
1.44   
17
Allen Electronegativity
Not Available   
1.72   
16
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
1.72   
99+
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
870.00 kJ/mol   
10
2nd Energy Level
1,420.00 kJ/mol   
99+
1,791.00 kJ/mol   
21
3rd Energy Level
1,900.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,145.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.48 g/amp-hr   
99+
1.82 g/amp-hr   
35
Electron Work Function
3.63 eV   
30
5.65 eV   
1
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Anti Corrosion, Ionization   
Atomic Properties
Atomic Number
92   
26
78   
38
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Xe] 4f14 5d9 6s1   
Crystal Structure
Orthorhombic (ORTH)   
Face Centered Cubic (FCC)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
FCC-Crystal-Structure-of-Platinum.jpg#100   
Atom
  
  
Number of Protons
92   
26
78   
38
Number of Neutrons
146   
13
117   
24
Number of Electrons
92   
26
78   
38
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
139.00 pm   
39
Covalent Radius
196.00 pm   
14
136.00 pm   
99+
Van der Waals Radius
186.00 pm   
33
175.00 pm   
36
Atomic Weight
238.03 amu   
21
47.87 amu   
99+
Atomic Volume
12.59 cm3/mol   
40
9.09 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Iridium
  
Next Element
Neptunium
  
Gold
  
Valence Electron Potential
170.00 (-eV)   
4
392.42 (-eV)   
1
Lattice Constant
295.08 pm   
99+
392.42 pm   
24
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
19.10 g/cm3   
17
21.45 g/cm3   
11
Density When Liquid (at m.p.)
17.30 g/cm3   
7
19.77 g/cm3   
2
Tensile Strength
Not Available   
125.00 MPa   
14
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.01 (Pa)   
20
0.07 (Pa)   
18
Elasticity properties
  
  
Shear Modulus
111.00 GPa   
10
61.00 GPa   
14
Bulk Modulus
100.00 GPa   
16
230.00 GPa   
6
Young's Modulus
208.00 GPa   
10
168.00 GPa   
14
Poisson Ratio
0.23   
30
0.38   
6
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
18.80   
10
21.45   
4
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Permeability
Not Available   
0.00 H/m   
3
Electrical Properties
  
  
Electrical Property
Poor Conductor   
Conductor   
Resistivity
0.28 nΩ·m   
99+
105.00 nΩ·m   
30
Electrical Conductivity
0.04 106/cm Ω   
37
0.10 106/cm Ω   
21
Electron Affinity
Not Available   
205.30 kJ/mol   
2
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.13 J/(kg K)   
39
Molar Heat Capacity
27.67 J/mol·K   
15
25.86 J/mol·K   
35
Thermal Conductivity
27.50 W/m·K   
40
71.60 W/m·K   
24
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
13.90 µm/(m·K)   
27
8.80 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol   
13
510.50 kJ/mol   
11
Enthalpy of Fusion
15.48 kJ/mol   
19
19.70 kJ/mol   
12
Enthalpy of Atomization
489.50 kJ/mol   
14
565.00 kJ/mol   
11
Standard Molar Entropy
50.20 J/mol.K   
31
41.60 J/mol.K   
36
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