1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Lanthanide
1.6 CAS Number
74400647440100
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.
- Praseodymium metal is synthetically produced metal.
- Praseodymium is used as possible fuel for radioactive generators.
2.2 Sources
Mining, Ores of metals, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Antonio de Ulloa
Not Available
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-7 %2 * 10-7 %
5E-09
0.11
2.4.2 Abundance In Sun
~0.0000009 %~0.0000001 %
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.
- The main use of Praseodymium include alloys. Praseodymium –Magnesium alloy is used in aircraft engines due to its high strength.
-
This metal is also used while making a permanent magnets.
3.1.1 Industrial Uses
Aerospace Industry, Chemical Industry
Chemical Industry
3.1.2 Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
NA
3.1.3 Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Moderately Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
3.2.4 In Bone
4 Physical
4.1 Melting Point
1,772.00 °C935.00 °C
27
3410
4.2 Boiling Point
3,827.00 °C3,130.00 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
Silvery White
Grayish White
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.2 Brinell Hardness
300.00 MPa481.00 MPa
0.14
3490
4.4.3 Vickers Hardness
400.00 MPa400.00 MPa
121
3430
4.5 Speed of Sound
2,800.00 m/s2,280.00 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
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
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/mol527.00 kJ/mol
375.7
26130
5.5.2 2nd Energy Level
1,791.00 kJ/mol1,020.00 kJ/mol
710.2162
28750
5.5.3 3rd Energy Level
NA2,086.00 kJ/mol
1600
34230
5.5.4 4th Energy Level
NA3,761.00 kJ/mol
2780
37066
5.5.5 5th Energy Level
NA5,551.00 kJ/mol
4305.2
97510
5.5.6 6th Energy Level
5.5.7 7th Energy level
5.5.8 8th Energy Level
5.5.9 9th Energy Level
5.5.10 10th Energy Level
5.5.11 11th Energy Level
5.5.12 12th Energy Level
5.5.13 13th Energy Level
5.5.14 14th Energy Level
5.5.15 15th Energy Level
5.5.16 16th Energy Level
5.5.17 17th Energy Level
5.5.18 18th Energy Level
5.5.19 19th Energy Level
5.5.20 20th Energy Level
5.5.21 21st Energy Level
5.5.22 22nd Energy Level
5.5.23 23rd Energy Level
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-hr1.75 g/amp-hr
0.16812
8.3209
5.7 Electron Work Function
5.8 Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization
Anti Corrosion, Ionization, Radioactive Isotopes
6 Atomic
6.1 Atomic Number
6.2 Electron Configuration
[Xe] 4f14 5d9 6s1
[Xe] 4f3 6s2
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 pm182.00 pm
112
265
6.5.2 Covalent Radius
136.00 pm203.00 pm
96
260
6.5.3 Van der Waals Radius
175.00 pm239.00 pm
139
348
6.6 Atomic Weight
47.87 amu140.91 amu
6.94
294
6.7 Atomic Volume
9.09 cm3/mol20.80 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)42.64 (-eV)
8
392.42
6.10 Lattice Constant
392.42 pm367.25 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/cm36.77 g/cm3
0.534
40.7
7.1.2 Density When Liquid (at m.p.)
19.77 g/cm36.50 g/cm3
0.512
20
7.2 Tensile Strength
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)13.20 (Pa)
2.62E-10
774
7.5 Elasticity properties
7.5.1 Shear Modulus
61.00 GPa14.80 GPa
1.3
222
7.5.2 Bulk Modulus
230.00 GPa28.80 GPa
1.6
462
7.5.3 Young's Modulus
168.00 GPa37.30 GPa
1.7
528
7.6 Poisson Ratio
7.7 Other Mechanical Properties
Ductile, Malleable
Ductile, Malleable
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·m0.70 nΩ·m
0.18
961
8.2.3 Electrical Conductivity
0.10 106/cm Ω0.01 106/cm Ω
0.00666
0.63
8.2.4 Electron Affinity
205.30 kJ/mol50.00 kJ/mol
0
222.8
9 Thermal
9.1 Specific Heat
0.13 J/(kg K)0.19 J/(kg K)
0.11
3.6
9.2 Molar Heat Capacity
25.86 J/mol·K27.20 J/mol·K
16.443
62.7
9.3 Thermal Conductivity
71.60 W/m·K12.50 W/m·K
6.3
429
9.4 Critical Temperature
9.5 Thermal Expansion
8.80 µm/(m·K)6.70 µm/(m·K)
4.5
97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
510.50 kJ/mol296.80 kJ/mol
7.32
799.1
9.6.2 Enthalpy of Fusion
19.70 kJ/mol6.89 kJ/mol
2.1
35.23
9.6.3 Enthalpy of Atomization
565.00 kJ/mol368.00 kJ/mol
61.5
837
9.7 Standard Molar Entropy
41.60 J/mol.K73.20 J/mol.K
9.5
198.1