Symbol
U
  
Pt
  
Period Number
7
  
6
  
Block
f block
  
d block
  
Element Family
Actinide
  
Transition Metal
  
Space Group Name
Cmcm
  
Fm_ 3m
  
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 Sun
~0.0000001 %
  
26
~0.0000009 %
  
19
Abundance In Earth's Crust
Abundance In Oceans
Not Available
  
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
  
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
  
  
Brinell Hardness
2,350.00 MPa
  
2
Vickers Hardness
1,960.00 MPa
  
2
Speed of Sound
3,155.00 m/s
  
25
2,800.00 m/s
  
29
Optical Properties
  
  
Reflectivity
Not Available
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
U
  
Pt
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Allred Rochow Electronegativity
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
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
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
  
Chemical Stability, Anti Corrosion, Ionization
  
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
  
  
Radius of an Atom
  
  
Atomic Volume
12.59 cm3/mol
  
40
9.09 cm3/mol
  
99+
Adjacent Atomic Numbers
  
  
Valence Electron Potential
170.00 (-eV)
  
4
392.42 (-eV)
  
1
Lattice Angles
π/2, π/2, π/2
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Density
  
  
Density At Room Temperature
19.10 g/cm3
  
17
21.45 g/cm3
  
11
Density When Liquid (at m.p.)
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Elasticity properties
  
  
Other Mechanical Properties
Ductile, Malleable
  
Ductile, Malleable
  
Magnetic Characteristics
  
  
Magnetic Ordering
Paramagnetic
  
Paramagnetic
  
Permeability
Not Available
  
Electrical Properties
  
  
Electrical Property
Poor Conductor
  
Conductor
  
Resistivity
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
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