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Iridium
Iridium

Zirconium
Zirconium



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Iridium
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Zirconium

Iridium Zirconium Comparison

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1 Periodic Table
1.1 Symbol
Ir
Zr
1.2 Group Number
Tennessine Metal
9
Rank: 9 (Overall)
4
Rank: 14 (Overall)
Gadolinium Metal
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1.3 Period Number
Uranium Metal
6
Rank: 2 (Overall)
5
Rank: 3 (Overall)
Lithium Metal
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1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
Roentgenium Met..
7439885
Rank: 89 (Overall)
7440677
Rank: 23 (Overall)
Aluminium Metal
1.7 Space Group Name
Fm_ 3m
P63/mmc
1.8 Space Group Number
Sodium Metal
225.00
Rank: 2 (Overall)
194.00
Rank: 5 (Overall)
Plutonium Metal
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2 Facts
2.1 Interesting Facts
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  • Zirconium metal can resist to weak acids.
  • Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Smithson Tennant
Martin Heinrich Klaproth
2.3.2 Discovery
In 1803
In 1789
2.4 Abundance
2.4.1 Abundance In Universe
Iron Metal
2 * 10-7 %
Rank: 22 (Overall)
5 * 10-6 %
Rank: 13 (Overall)
Thallium Metal
2.4.2 Abundance In Sun
Iron Metal
~0.0000002 %
Rank: 25 (Overall)
~0.000004 %
Rank: 16 (Overall)
Beryllium Metal
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2.4.3 Abundance In Meteorites
Iron Metal
0.00 %
Rank: 29 (Overall)
0.00 %
Rank: 17 (Overall)
Gold Metal
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2.4.4 Abundance In Earth's Crust
Aluminium Metal
0.00 %
Rank: 56 (Overall)
0.01 %
Rank: 14 (Overall)
Radium Metal
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2.4.5 Abundance In Oceans
Sodium Metal
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 23 (Overall)
Protactinium Metal
2.4.6 Abundance In Humans
Calcium Metal
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 15 (Overall)
Radium Metal
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3 Uses
3.1 Uses & Benefits
  • Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings.
  • As this metal does not absorb neutrons; It is used in nuclear power stations.
  • Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
3.1.1 Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Ammunition Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys
Alloys, Nuclear Research, Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Toxic
NA
3.2.2 Present in Human Body
60% Transition Metals Metals have it !
60% Transition Metals Metals have it !
3.2.3 In Blood
Sodium Metal
Not Available
Rank: N/A (Overall)
0.01 Blood/mg dm-3
Rank: 21 (Overall)
Plutonium Metal
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3.2.4 In Bone
Calcium Metal
Not Available
Rank: N/A (Overall)
0.10 p.p.m.
Rank: 23 (Overall)
Plutonium Metal
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4 Physical
4.1 Melting Point
Tungsten Metal
2,410.00 °C
Rank: 7 (Overall)
1,852.00 °C
Rank: 15 (Overall)
Francium Metal
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4.2 Boiling Point
Tungsten Metal
4,527.00 °C
Rank: 10 (Overall)
4,377.00 °C
Rank: 11 (Overall)
Flerovium Metal
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4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery White
Silvery White
4.3.3 Luster
Metallic
Lustrous
4.4 Hardness
4.4.1 Mohs Hardness
Chromium Metal
6.50
Rank: 5 (Overall)
5.00
Rank: 8 (Overall)
Cesium Metal
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4.4.2 Brinell Hardness
Osmium Metal
1,670.00 MPa
Rank: 5 (Overall)
638.00 MPa
Rank: 19 (Overall)
Cesium Metal
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4.4.3 Vickers Hardness
Tungsten Metal
1,760.00 MPa
Rank: 3 (Overall)
820.00 MPa
Rank: 15 (Overall)
Palladium Metal
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4.5 Speed of Sound
Technetium Metal
4,825.00 m/s
Rank: 13 (Overall)
3,800.00 m/s
Rank: 20 (Overall)
Thallium Metal
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4.6 Optical Properties
4.6.1 Refractive Index
Palladium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury Metal
4.6.2 Reflectivity
Silver Metal
78.00 %
Rank: 6 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
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4.7 Allotropes
6% Transition Metals Metals have it !
6% Transition Metals Metals have it !
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
Ir
Zr
5.2 Isotopes
5.2.1 Known Isotopes
Palladium Metal
34
Rank: 5 (Overall)
24
Rank: 15 (Overall)
Tennessine Metal
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold Metal
2.20
Rank: 4 (Overall)
1.33
Rank: 30 (Overall)
Francium Metal
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5.3.2 Sanderson Electronegativity
Cobalt Metal
Not Available
Rank: N/A (Overall)
0.90
Rank: 25 (Overall)
Cesium Metal
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5.3.3 Allred Rochow Electronegativity
Gallium Metal
1.55
Rank: 11 (Overall)
1.22
Rank: 26 (Overall)
Cesium Metal
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5.3.4 Mulliken-Jaffe Electronegativity
Polonium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium Metal
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5.3.5 Allen Electronegativity
Berkelium Metal
1.68
Rank: 17 (Overall)
1.32
Rank: 34 (Overall)
Cesium Metal
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium Metal
1.80
Rank: 49 (Overall)
2.67
Rank: 24 (Overall)
Gold Metal
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium Metal
880.00 kJ/mol
Rank: 9 (Overall)
640.10 kJ/mol
Rank: 44 (Overall)
Cesium Metal
5.5.2 2nd Energy Level
Chromium Metal
1,600.00 kJ/mol
Rank: 35 (Overall)
1,270.00 kJ/mol
Rank: 54 (Overall)
Ruthenium Metal
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5.5.3 3rd Energy Level
Chromium Metal
Not Available
Rank: N/A (Overall)
2,218.00 kJ/mol
Rank: 62 (Overall)
Osmium Metal
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5.5.4 4th Energy Level
Chromium Metal
Not Available
Rank: N/A (Overall)
3,313.00 kJ/mol
Rank: 60 (Overall)
Thorium Metal
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5.5.5 5th Energy Level
Chromium Metal
Not Available
Rank: N/A (Overall)
7,752.00 kJ/mol
Rank: 10 (Overall)
Dubnium Metal
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5.5.6 6th Energy Level
Chromium Metal
Not Available
Rank: N/A (Overall)
9,500.00 kJ/mol
Rank: 15 (Overall)
Seaborgium Metal
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5.5.7 7th Energy level
Chromium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bohrium Metal
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5.5.8 8th Energy Level
Chromium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Hassium Metal
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5.5.9 9th Energy Level
Chromium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium Metal
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5.5.10 10th Energy Level
Chromium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Strontium Metal
5.5.11 11th Energy Level
Magnesium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium Metal
5.5.12 12th Energy Level
Magnesium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.13 13th Energy Level
Titanium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.14 14th Energy Level
Vanadium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.15 15th Energy Level
Chromium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Manganese Metal
5.5.16 16th Energy Level
Manganese Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Iron Metal
5.5.17 17th Energy Level
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cobalt Metal
5.5.18 18th Energy Level
Cobalt Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Nickel Metal
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5.5.19 19th Energy Level
Nickel Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Copper Metal
5.5.20 20th Energy Level
Zinc Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.21 21st Energy Level
Zinc Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.22 22nd Energy Level
Copper Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.23 23rd Energy Level
Copper Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.24 24th Energy Level
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
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5.5.25 25th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.26 26th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.27 27th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.28 28th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.29 29th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.30 30th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.6 Electrochemical Equivalent
Francium Metal
1.14 g/amp-hr
Rank: 54 (Overall)
0.85 g/amp-hr
Rank: 63 (Overall)
Beryllium Metal
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5.7 Electron Work Function
Platinum Metal
4.55 eV
Rank: 13 (Overall)
4.05 eV
Rank: 26 (Overall)
Cesium Metal
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5.8 Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
6 Atomic
6.1 Atomic Number
Tennessine Metal
77
Rank: 39 (Overall)
40
Rank: 72 (Overall)
Lithium Metal
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6.2 Electron Configuration
[Xe] 4f14 5d7 6s2
[Kr] 4d2 5s2
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
Tennessine Metal
74
Rank: 41 (Overall)
40
Rank: 71 (Overall)
Lithium Metal
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6.4.2 Number of Neutrons
Flerovium Metal
110
Rank: 27 (Overall)
51
Rank: 54 (Overall)
Lithium Metal
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6.4.3 Number of Electrons
Tennessine Metal
74
Rank: 41 (Overall)
40
Rank: 71 (Overall)
Lithium Metal
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium Metal
136.00 pm
Rank: 41 (Overall)
160.00 pm
Rank: 27 (Overall)
Beryllium Metal
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6.5.2 Covalent Radius
Francium Metal
141.00 pm
Rank: 43 (Overall)
175.00 pm
Rank: 23 (Overall)
Beryllium Metal
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6.5.3 Van der Waals Radius
Francium Metal
202.00 pm
Rank: 27 (Overall)
200.00 pm
Rank: 28 (Overall)
Zinc Metal
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6.6 Atomic Weight
Tennessine Metal
192.22 amu
Rank: 34 (Overall)
91.22 amu
Rank: 66 (Overall)
Lithium Metal
6.7 Atomic Volume
Cesium Metal
9.53 cm3/mol
Rank: 50 (Overall)
14.10 cm3/mol
Rank: 36 (Overall)
Manganese Metal
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
Platinum Metal
140.00 (-eV)
Rank: 5 (Overall)
80.00 (-eV)
Rank: 18 (Overall)
Francium Metal
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6.10 Lattice Constant
Manganese Metal
383.90 pm
Rank: 26 (Overall)
323.20 pm
Rank: 53 (Overall)
Beryllium Metal
6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
Cadmium Metal
Not Available
Rank: N/A (Overall)
1.59
Rank: 8 (Overall)
Beryllium Metal
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
Hassium Metal
22.56 g/cm3
Rank: 10 (Overall)
6.52 g/cm3
Rank: 64 (Overall)
Lithium Metal
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7.1.2 Density When Liquid (at m.p.)
Osmium Metal
19.00 g/cm3
Rank: 3 (Overall)
5.80 g/cm3
Rank: 45 (Overall)
Lithium Metal
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7.2 Tensile Strength
Iron Metal
2,000.00 MPa
Rank: 2 (Overall)
330.00 MPa
Rank: 12 (Overall)
Indium Metal
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7.3 Viscosity
Mercury Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury Metal
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
Strontium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cerium Metal
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7.4.2 Vapor Pressure at 2000 K
Chromium Metal
0.00 (Pa)
Rank: 25 (Overall)
0.00 (Pa)
Rank: 21 (Overall)
Tungsten Metal
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7.5 Elasticity properties
7.5.1 Shear Modulus
Osmium Metal
210.00 GPa
Rank: 2 (Overall)
33.00 GPa
Rank: 20 (Overall)
Potassium Metal
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7.5.2 Bulk Modulus
Osmium Metal
320.00 GPa
Rank: 3 (Overall)
91.10 GPa
Rank: 17 (Overall)
Cesium Metal
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7.5.3 Young's Modulus
Iridium Metal
528.00 GPa
Rank: 1 (Overall)
88.00 GPa
Rank: 22 (Overall)
Cesium Metal
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7.6 Poisson Ratio
Gallium Metal
0.26
Rank: 22 (Overall)
0.34
Rank: 10 (Overall)
Beryllium Metal
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7.7 Other Mechanical Properties
NA
Ductile, Malleable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
Cobalt Metal
21.78
Rank: 3 (Overall)
6.51
Rank: 51 (Overall)
Lithium Metal
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8.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
8.1.3 Permeability
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth Metal
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8.1.4 Susceptibility
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth Metal
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8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Conductor
8.2.2 Resistivity
Mercury Metal
47.10 nΩ·m
Rank: 44 (Overall)
421.00 nΩ·m
Rank: 11 (Overall)
Thallium Metal
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8.2.3 Electrical Conductivity
Silver Metal
0.19 106/cm Ω
Rank: 10 (Overall)
0.02 106/cm Ω
Rank: 41 (Overall)
Plutonium Metal
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8.2.4 Electron Affinity
Gold Metal
151.00 kJ/mol
Rank: 4 (Overall)
41.10 kJ/mol
Rank: 27 (Overall)
Mercury Metal
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9 Thermal
9.1 Specific Heat
Lithium Metal
0.13 J/(kg K)
Rank: 39 (Overall)
0.27 J/(kg K)
Rank: 19 (Overall)
Americium Metal
9.2 Molar Heat Capacity
Americium Metal
25.10 J/mol·K
Rank: 43 (Overall)
25.36 J/mol·K
Rank: 41 (Overall)
Beryllium Metal
9.3 Thermal Conductivity
Silver Metal
147.00 W/m·K
Rank: 10 (Overall)
22.60 W/m·K
Rank: 42 (Overall)
Neptunium Metal
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9.4 Critical Temperature
Lithium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium Metal
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9.5 Thermal Expansion
Cesium Metal
6.40 µm/(m·K)
Rank: 51 (Overall)
5.70 µm/(m·K)
Rank: 55 (Overall)
Tungsten Metal
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9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
Tungsten Metal
799.10 kJ/mol
Rank: 1 (Overall)
581.60 kJ/mol
Rank: 9 (Overall)
Zinc Metal
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9.6.2 Enthalpy of Fusion
Tungsten Metal
35.23 kJ/mol
Rank: 1 (Overall)
20.90 kJ/mol
Rank: 11 (Overall)
Cesium Metal
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9.6.3 Enthalpy of Atomization
Tungsten Metal
837.00 kJ/mol
Rank: 1 (Overall)
598.00 kJ/mol
Rank: 10 (Overall)
Mercury Metal
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9.7 Standard Molar Entropy
Protactinium Me..
35.50 J/mol.K
Rank: 43 (Overall)
39.00 J/mol.K
Rank: 39 (Overall)
Beryllium Metal
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