1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
74400647440484
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Platinum is the rarest metal from the Precious metal categories..
- Commercially Platinum is produced as a byproduct in ores of nickel.
- 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.
2.2 Sources
Mining, Ores of metals, Ores of Minerals
Found in Compounds, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Antonio de Ulloa
Georg Brandt
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-7 %3 * 10-4 %
5E-09
0.11
2.4.2 Abundance In Sun
~0.0000009 %~0.0004 %
1E-08
0.1
2.4.3 Abundance In Meteorites
2.4.4 Abundance In Earth's Crust
2.4.5 Abundance In Oceans
2.4.6 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Platinum metal is mainly used in jewellery.
-
Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
- 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.
3.1.1 Industrial Uses
Aerospace Industry, Chemical Industry
Chemical Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
Pharmaceutical Industry
3.1.3 Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Alloys
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
NA0.04 Blood/mg dm-3
0
1970
3.2.4 In Bone
4 Physical
4.1 Melting Point
1,772.00 °C1,495.00 °C
27
3410
4.2 Boiling Point
3,827.00 °C2,870.00 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.2 Brinell Hardness
300.00 MPa470.00 MPa
0.14
3490
4.4.3 Vickers Hardness
400.00 MPa1,043.00 MPa
121
3430
4.5 Speed of Sound
2,800.00 m/s4,720.00 m/s
818
16200
4.6 Optical Properties
4.6.1 Refractive Index
4.6.2 Reflectivity
4.7 Allotropes
4.7.1 α Allotropes
4.7.2 β Allotropes
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
5.3.2 Sanderson Electronegativity
5.3.3 Allred Rochow Electronegativity
5.3.4 Mulliken-Jaffe Electronegativity
5.3.5 Allen Electronegativity
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 Ionization Energies
5.5.1 1st Energy Level
870.00 kJ/mol760.40 kJ/mol
375.7
26130
5.5.2 2nd Energy Level
1,791.00 kJ/mol1,648.00 kJ/mol
710.2162
28750
5.5.3 3rd Energy Level
NA3,232.00 kJ/mol
1600
34230
5.5.4 4th Energy Level
NA4,950.00 kJ/mol
2780
37066
5.5.5 5th Energy Level
NA7,670.00 kJ/mol
4305.2
97510
5.5.6 6th Energy Level
NA9,840.00 kJ/mol
5715.8
105800
5.5.7 7th Energy level
NA12,440.00 kJ/mol
7226.8
114300
5.5.8 8th Energy Level
NA15,230.00 kJ/mol
8857.4
125300
5.5.9 9th Energy Level
NA17,959.00 kJ/mol
14110
134700
5.5.10 10th Energy Level
NA26,570.00 kJ/mol
17100
144300
5.5.11 11th Energy Level
NA29,400.00 kJ/mol
19900
169988
5.5.12 12th Energy Level
NA32,400.00 kJ/mol
22219
189368
5.5.13 13th Energy Level
NA36,600.00 kJ/mol
26930
76015
5.5.14 14th Energy Level
NA39,700.00 kJ/mol
29196
86450
5.5.15 15th Energy Level
NA42,800.00 kJ/mol
41987
97510
5.5.16 16th Energy Level
NA49,396.00 kJ/mol
47206
109480
5.5.17 17th Energy Level
NA52,737.00 kJ/mol
52737
122200
5.5.18 18th Energy Level
NA134,810.00 kJ/mol
58570
134810
5.5.19 19th Energy Level
NA145,170.00 kJ/mol
64702
148700
5.5.20 20th Energy Level
NA154,700.00 kJ/mol
80400
171200
5.5.21 21st Energy Level
NA167,400.00 kJ/mol
87000
179100
5.5.22 22nd Energy Level
NA178,100.00 kJ/mol
93400
184900
5.5.23 23rd Energy Level
NA189,300.00 kJ/mol
98420
198800
5.5.24 24th Energy Level
5.5.25 25th Energy Level
5.5.26 26th Energy Level
5.5.27 27th Energy Level
5.5.28 28th Energy Level
5.5.29 29th Energy Level
5.5.30 30th Energy Level
5.6 Electrochemical Equivalent
1.82 g/amp-hr1.10 g/amp-hr
0.16812
8.3209
5.7 Electron Work Function
5.8 Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization
Chemical Stability, Ionization
6 Atomic
6.1 Atomic Number
6.2 Electron Configuration
[Xe] 4f14 5d9 6s1
[Ar] 3d2 4s2
6.3 Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
6.4.2 Number of Neutrons
6.4.3 Number of Electrons
6.5 Radius of an Atom
6.5.1 Atomic Radius
139.00 pm147.00 pm
112
265
6.5.2 Covalent Radius
136.00 pm160.00 pm
96
260
6.5.3 Van der Waals Radius
175.00 pm200.00 pm
139
348
6.6 Atomic Weight
47.87 amu47.87 amu
6.94
294
6.7 Atomic Volume
9.09 cm3/mol10.64 cm3/mol
1.39
71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
392.42 (-eV)95.20 (-eV)
8
392.42
6.10 Lattice Constant
392.42 pm295.08 pm
228.58
891.25
6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
21.45 g/cm34.51 g/cm3
0.534
40.7
7.1.2 Density When Liquid (at m.p.)
19.77 g/cm34.11 g/cm3
0.512
20
7.2 Tensile Strength
125.00 MPa434.00 MPa
2.5
11000
7.3 Viscosity
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
7.4.2 Vapor Pressure at 2000 K
0.07 (Pa)0.98 (Pa)
2.62E-10
774
7.5 Elasticity properties
7.5.1 Shear Modulus
61.00 GPa44.00 GPa
1.3
222
7.5.2 Bulk Modulus
230.00 GPa110.00 GPa
1.6
462
7.5.3 Young's Modulus
168.00 GPa116.00 GPa
1.7
528
7.6 Poisson Ratio
7.7 Other Mechanical Properties
Ductile, Malleable
Ductile
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
8.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
8.1.3 Permeability
0.00 H/mNA
1.25643E-06
0.0063
8.1.4 Susceptibility
8.2 Electrical Properties
8.2.1 Electrical Property
8.2.2 Resistivity
105.00 nΩ·m420.00 nΩ·m
0.18
961
8.2.3 Electrical Conductivity
0.10 106/cm Ω0.02 106/cm Ω
0.00666
0.63
8.2.4 Electron Affinity
205.30 kJ/mol7.60 kJ/mol
0
222.8
9 Thermal
9.1 Specific Heat
0.13 J/(kg K)0.52 J/(kg K)
0.11
3.6
9.2 Molar Heat Capacity
25.86 J/mol·K25.06 J/mol·K
16.443
62.7
9.3 Thermal Conductivity
71.60 W/m·K21.90 W/m·K
6.3
429
9.4 Critical Temperature
9.5 Thermal Expansion
8.80 µm/(m·K)8.60 µm/(m·K)
4.5
97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
510.50 kJ/mol429.00 kJ/mol
7.32
799.1
9.6.2 Enthalpy of Fusion
19.70 kJ/mol15.48 kJ/mol
2.1
35.23
9.6.3 Enthalpy of Atomization
565.00 kJ/mol468.60 kJ/mol
61.5
837
9.7 Standard Molar Entropy
41.60 J/mol.K27.30 J/mol.K
9.5
198.1