Symbol
Pt
Group Number
10
Rank: 8 (Overall)
0
17
👆🏻
Period Number
6
Rank: 2 (Overall)
2
7
👆🏻
Block
d block
Element Family
Transition Metal
CAS Number
7440064
Rank: 73 (Overall)
7429905
54386242
👆🏻
Space Group Name
Fm_ 3m
Space Group Number
225.00
Rank: 3 (Overall)
11
276
👆🏻
Interesting Facts
- Platinum is the rarest metal from the Precious metal categories..
- Commercially Platinum is produced as a byproduct in ores of nickel.
Sources
Mining, Ores of metals, Ores of Minerals
History
Who Discovered
Antonio de Ulloa
Discovery
In 1735
Abundance
Abundance In Universe
0.00 %
Rank: 20 (Overall)
0
0.11
👆🏻
Abundance In Sun
0.00 %
Rank: 19 (Overall)
0
0.1
👆🏻
Abundance In Meteorites
0.00 %
Rank: 25 (Overall)
0
22
👆🏻
Abundance In Earth's Crust
0.00 %
Rank: 49 (Overall)
1E-37
8.1
👆🏻
Abundance In Oceans
-
0
1.1
👆🏻
Abundance In Humans
0.00 %
Rank: 24 (Overall)
0
1.4
👆🏻
Uses & Benefits
- Platinum metal is mainly used in jewellery.
-
Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
Industrial Uses
Aerospace Industry, Chemical Industry
Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Biological Properties
Toxicity
Non Toxic
Present in Human Body
✔
✘
60% - Transition Metals Metals
In Blood
0.00 Blood/mg dm-3
Rank: 37 (Overall)
0
1970
👆🏻
In Bone
0.00 p.p.m.
Rank: 41 (Overall)
0
170000
👆🏻
Melting Point
1,772.00 °C
Rank: 16 (Overall)
-38.83
3410
👆🏻
Boiling Point
3,827.00 °C
Rank: 15 (Overall)
0
5660
👆🏻
Appearance
Physical State
Solid
Color
Silvery White
Luster
Metallic
Hardness
Mohs Hardness
3.50
Rank: 12 (Overall)
0.2
8.5
👆🏻
Brinell Hardness
300.00 MPa
Rank: 41 (Overall)
0.14
3490
👆🏻
Vickers Hardness
400.00 MPa
Rank: 41 (Overall)
0
3920
👆🏻
Speed of Sound
2,800.00 m/s
Rank: 42 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
2.41
Rank: 6 (Overall)
0.155
3.41
👆🏻
Reflectivity
73.00 %
Rank: 10 (Overall)
5
97
👆🏻
Allotropes
✔
✘
6% - Transition Metals Metals
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical Formula
Pt
Isotopes
Known Isotopes
35
Rank: 4 (Overall)
0
38
👆🏻
Electronegativity
Pauling Electronegativity
2.28
Rank: 4 (Overall)
0
2.6
👆🏻
Sanderson Electronegativity
2.28
Rank: 5 (Overall)
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.44
Rank: 18 (Overall)
0.86
1.9
👆🏻
Mulliken-Jaffe Electronegativity
2.20
Rank: 6 (Overall)
0.62
2.48
👆🏻
Allen Electronegativity
1.72
Rank: 19 (Overall)
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
1.72
Rank: 51 (Overall)
1.46
3.3
👆🏻
Ionization Energies
1st Energy Level
870.00 kJ/mol
Rank: 10 (Overall)
375.7
26130
👆🏻
2nd Energy Level
1,791.00 kJ/mol
Rank: 22 (Overall)
392.8
28750
👆🏻
3rd Energy Level
2,277.00 kJ/mol
Rank: 59 (Overall)
392.8
34230
👆🏻
4th Energy Level
8,702.00 kJ/mol
Rank: 6 (Overall)
375.7
37066
👆🏻
5th Energy Level
8,702.00 kJ/mol
Rank: 9 (Overall)
392
97510
👆🏻
6th Energy Level
8,700.00 kJ/mol
Rank: 27 (Overall)
1007
105800
👆🏻
7th Energy level
8,700.00 kJ/mol
Rank: 23 (Overall)
1007
114300
👆🏻
8th Energy Level
8,700.00 kJ/mol
Rank: 23 (Overall)
730
125300
👆🏻
9th Energy Level
5,660.00 kJ/mol
Rank: 60 (Overall)
1007
134700
👆🏻
10th Energy Level
8,700.00 kJ/mol
Rank: 24 (Overall)
392
144300
👆🏻
11th Energy Level
8,700.00 kJ/mol
Rank: 21 (Overall)
392
169988
👆🏻
12th Energy Level
8,700.00 kJ/mol
Rank: 41 (Overall)
0
189368
👆🏻
13th Energy Level
8,700.00 kJ/mol
Rank: 16 (Overall)
1007
76015
👆🏻
14th Energy Level
870.00 kJ/mol
Rank: 73 (Overall)
380
86450
👆🏻
15th Energy Level
87,000.00 kJ/mol
Rank: 9 (Overall)
33000
100700
👆🏻
16th Energy Level
870.00 kJ/mol
Rank: 74 (Overall)
375.7
109480
👆🏻
17th Energy Level
870.00 kJ/mol
Rank: 27 (Overall)
375.7
122200
👆🏻
18th Energy Level
8,700.00 kJ/mol
Rank: 16 (Overall)
0
134810
👆🏻
19th Energy Level
870.00 kJ/mol
Rank: 25 (Overall)
375.7
148700
👆🏻
20th Energy Level
870.00 kJ/mol
Rank: 15 (Overall)
0
171200
👆🏻
21st Energy Level
870.00 kJ/mol
Rank: 38 (Overall)
375.7
179100
👆🏻
22nd Energy Level
870.00 kJ/mol
Rank: 13 (Overall)
330
184900
👆🏻
23rd Energy Level
870.10 kJ/mol
Rank: 39 (Overall)
357.6
198800
👆🏻
24th Energy Level
870.00 kJ/mol
Rank: 9 (Overall)
297.3
195200
👆🏻
25th Energy Level
870.00 kJ/mol
Rank: 7 (Overall)
0
121900
👆🏻
26th Energy Level
870.00 kJ/mol
Rank: 7 (Overall)
357.6
127700
👆🏻
27th Energy Level
870.10 kJ/mol
Rank: 6 (Overall)
0
133800
👆🏻
28th Energy Level
870.10 kJ/mol
Rank: 9 (Overall)
297.3
139800
👆🏻
29th Energy Level
870.00 kJ/mol
Rank: 10 (Overall)
0
148100
👆🏻
30th Energy Level
870.00 kJ/mol
Rank: 7 (Overall)
0
154500
👆🏻
Electrochemical Equivalent
1.82 g/amp-hr
Rank: 39 (Overall)
0.16812
8.3209
👆🏻
Electron Work Function
5.65 eV
Rank: 4 (Overall)
2.14
6
👆🏻
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization
Atomic Number
78
Rank: 38 (Overall)
3
117
👆🏻
Electron Configuration
[Xe] 4f14 5d9 6s1
Crystal Structure
Face Centered Cubic (FCC)
Crystal Lattice
Atom
Number of Protons
78
Rank: 38 (Overall)
3
117
👆🏻
Number of Neutrons
117
Rank: 25 (Overall)
4
285
👆🏻
Number of Electrons
78
Rank: 38 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
139.00 pm
Rank: 41 (Overall)
0
348
👆🏻
Covalent Radius
136.00 pm
Rank: 48 (Overall)
0
260
👆🏻
Van der Waals Radius
175.00 pm
Rank: 43 (Overall)
0
348
👆🏻
Atomic Weight
47.87 amu
Rank: 78 (Overall)
6.94
294
👆🏻
Atomic Volume
9.09 cm3/mol
Rank: 71 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
392.42 (-eV)
Rank: 1 (Overall)
0
392.42
👆🏻
Lattice Constant
392.42 pm
Rank: 27 (Overall)
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.56
Rank: 44 (Overall)
0.423
1.9
👆🏻
Density
Density At Room Temperature
21.45 g/cm3
Rank: 11 (Overall)
0.534
40.7
👆🏻
Density When Liquid (at m.p.)
19.77 g/cm3
Rank: 12 (Overall)
0.512
41
👆🏻
Tensile Strength
125.00 MPa
Rank: 26 (Overall)
0.1
11000
👆🏻
Viscosity
0.00
Rank: 16 (Overall)
1.5E-05
0.0035
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
Rank: 16 (Overall)
0
121
👆🏻
Vapor Pressure at 2000 K
0.07 (Pa)
Rank: 18 (Overall)
0
774
👆🏻
Elasticity properties
Shear Modulus
61.00 GPa
Rank: 14 (Overall)
1.3
222
👆🏻
Bulk Modulus
230.00 GPa
Rank: 6 (Overall)
0
462
👆🏻
Young's Modulus
168.00 GPa
Rank: 15 (Overall)
0
528
👆🏻
Poisson Ratio
0.38
Rank: 6 (Overall)
0.032
0.47
👆🏻
Other Mechanical Properties
Ductile, Malleable
Magnetic Characteristics
Specific Gravity
21.45
Rank: 13 (Overall)
0.53
4500
👆🏻
Magnetic Ordering
Paramagnetic
Permeability
0.00 H/m
Rank: 14 (Overall)
1.25643E-06
0.0063
👆🏻
Susceptibility
0.00
Rank: 20 (Overall)
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
Conductor
Resistivity
105.00 nΩ·m
Rank: 30 (Overall)
0.1
961
👆🏻
Electrical Conductivity
0.10 106/cm Ω
Rank: 26 (Overall)
0
0.63
👆🏻
Electron Affinity
205.30 kJ/mol
Rank: 2 (Overall)
0
222.8
👆🏻
Specific Heat
0.13 J/(kg K)
Rank: 40 (Overall)
0.1
3.6
👆🏻
Molar Heat Capacity
25.86 J/mol·K
Rank: 44 (Overall)
13.1
62.7
👆🏻
Thermal Conductivity
71.60 W/m·K
Rank: 24 (Overall)
0
429
👆🏻
Critical Temperature
2,041.00 K
Rank: 19 (Overall)
26.3
3695
👆🏻
Thermal Expansion
8.80 µm/(m·K)
Rank: 58 (Overall)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
510.50 kJ/mol
Rank: 15 (Overall)
7.32
799.1
👆🏻
Enthalpy of Fusion
19.70 kJ/mol
Rank: 12 (Overall)
2.1
35.23
👆🏻
Enthalpy of Atomization
565.00 kJ/mol
Rank: 15 (Overall)
61.5
837
👆🏻
Standard Molar Entropy
41.60 J/mol.K
Rank: 50 (Overall)
9.5
198.1
👆🏻