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What is Platinum?
Platinum


Periodic Table
0
Symbol
Pt 0
Group Number
10 8
Period Number
6 2
Block
d block 0
Element Family
Transition Metal 0
CAS Number
7440064 73
Space Group Name
Fm_ 3m 0
Space Group Number
225.00 2
Facts
0
Interesting Facts
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
0
Sources
Mining, Ores of metals, Ores of Minerals 0
History
0
Who Discovered
Antonio de Ulloa 0
Discovery
In 1735 0
Abundance
0
Abundance In Universe
5 * 10-7 % 19
Abundance In Sun
~0.0000009 % 19
Abundance In Meteorites
0.00 % 25
Abundance In Earth's Crust
0.00 % 49
Abundance In Oceans
Not Available 0
Abundance In Humans
Not Available 0
Uses
0
Uses & Benefits
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
0
Industrial Uses
Aerospace Industry, Chemical Industry 0
Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing 0
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues 0
Biological Properties
0
Toxicity
Non Toxic 0
Present in Human Body
No 0
In Blood
Not Available 0
In Bone
Not Available 0
Physical
0
Melting Point
1,772.00 °C 16
Boiling Point
3,827.00 °C 15
Appearance
0
Physical State
Solid 0
Color
Silvery White 0
Luster
Metallic 0
Hardness
0
Mohs Hardness
3.50 11
Brinell Hardness
300.00 MPa 34
Vickers Hardness
400.00 MPa 25
Speed of Sound
2,800.00 m/s 29
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
73.00 % 8
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Pt 0
Isotopes
0
Known Isotopes
35 4
Electronegativity
0
Pauling Electronegativity
2.28 3
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.44 17
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
1.72 16
Electropositivity
0
Pauling Electropositivity
1.72 50
Ionization Energies
0
1st Energy Level
870.00 kJ/mol 10
2nd Energy Level
1,791.00 kJ/mol 21
3rd Energy Level
Not Available 0
4th Energy Level
Not Available 0
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
1.82 g/amp-hr 35
Electron Work Function
5.65 eV 1
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization 0
Atomic
0
Atomic Number
78 38
Electron Configuration
[Xe] 4f14 5d9 6s1 0
Crystal Structure
Face Centered Cubic (FCC) 0
Crystal Lattice
FCC-Crystal-Structure-of-Platinum.jpg#100 0
Atom
0
Number of Protons
78 38
Number of Neutrons
117 24
Number of Electrons
78 38
Radius of an Atom
0
Atomic Radius
139.00 pm 39
Covalent Radius
136.00 pm 46
Van der Waals Radius
175.00 pm 36
Atomic Weight
47.87 amu 78
Atomic Volume
9.09 cm3/mol 53
Adjacent Atomic Numbers
0
Previous Element
33 0
Next Element
3 0
Valence Electron Potential
392.42 (-eV) 1
Lattice Constant
392.42 pm 24
Lattice Angles
π/2, π/2, π/2 0
Lattice C/A Ratio
Not Available 0
Mechanical
0
Density
0
Density At Room Temperature
21.45 g/cm3 11
Density When Liquid (at m.p.)
19.77 g/cm3 2
Tensile Strength
125.00 MPa 14
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
0.07 (Pa) 18
Elasticity properties
0
Shear Modulus
61.00 GPa 14
Bulk Modulus
230.00 GPa 6
Young's Modulus
168.00 GPa 14
Poisson Ratio
0.38 6
Other Mechanical Properties
Ductile, Malleable 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
21.45 4
Magnetic Ordering
Paramagnetic 0
Permeability
0.00 H/m 3
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
Conductor 0
Resistivity
105.00 nΩ·m 30
Electrical Conductivity
0.10 106/cm Ω 21
Electron Affinity
205.30 kJ/mol 2
Thermal
0
Specific Heat
0.13 J/(kg K) 39
Molar Heat Capacity
25.86 J/mol·K 35
Thermal Conductivity
71.60 W/m·K 24
Critical Temperature
Not Available 0
Thermal Expansion
8.80 µm/(m·K) 44
Enthalpy
0
Enthalpy of Vaporization
510.50 kJ/mol 11
Enthalpy of Fusion
19.70 kJ/mol 12
Enthalpy of Atomization
565.00 kJ/mol 11
Standard Molar Entropy
41.60 J/mol.K 36
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