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Seaborgium
Seaborgium

Hafnium
Hafnium



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Seaborgium
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Seaborgium vs Hafnium

1 Periodic Table
1.1 Symbol
Sg
Hf
1.2 Group Number
Tennessine
6
Rank: 12 (Overall)
4
Rank: 14 (Overall)
Gadolinium
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1.3 Period Number
Uranium
7
Rank: 1 (Overall)
6
Rank: 2 (Overall)
Lithium
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1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
Roentgenium
54038812
Rank: 9 (Overall)
7440586
Rank: 30 (Overall)
Aluminium
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1.7 Space Group Name
Not Available
P63/mmc
1.8 Space Group Number
Sodium
Not Available
Rank: N/A (Overall)
194.00
Rank: 5 (Overall)
Plutonium
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2 Facts
2.1 Interesting Facts
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
2.2 Sources
Synthetically Produced
By-product Zirconium Refining
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Dirk Coster and George de Hevesy
2.3.2 Discovery
In 1974
In 1922
2.4 Abundance
2.4.1 Abundance In Universe
Iron
Not Available
Rank: N/A (Overall)
7 * 10-8 %
Rank: 25 (Overall)
Thallium
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2.4.2 Abundance In Sun
Iron
~-9999 %
Rank: N/A (Overall)
~0.0000001 %
Rank: 26 (Overall)
Beryllium
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2.4.3 Abundance In Meteorites
Iron
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 37 (Overall)
Gold
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2.4.4 Abundance In Earth's Crust
Aluminium
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 31 (Overall)
Radium
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2.4.5 Abundance In Oceans
Sodium
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 27 (Overall)
Protactinium
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2.4.6 Abundance In Humans
Calcium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Radium
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3 Uses
3.1 Uses & Benefits
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  • It has an ability to absorb neutrons and hence it is used to make control rods in nuclear submarines. And this metal is also used in Plasma welding torches.
  • It alloys with iron, titanium and niobium are very useful.
3.1.1 Industrial Uses
NA
Ammunition Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Research Purposes
Alloys, In Nuclear Reactors, Nuclear Research, Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Unknown
Toxic
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
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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3.2.4 In Bone
Calcium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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4 Physical
4.1 Melting Point
Tungsten
Not Available
Rank: N/A (Overall)
2,150.00 °C
Rank: 10 (Overall)
Francium
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4.2 Boiling Point
Tungsten
Not Available
Rank: N/A (Overall)
5,400.00 °C
Rank: 5 (Overall)
Flerovium
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4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Unknown
Gray
4.3.3 Luster
Unknown Luster
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
Chromium
Not Available
Rank: N/A (Overall)
5.50
Rank: 7 (Overall)
Cesium
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4.4.2 Brinell Hardness
Osmium
Not Available
Rank: N/A (Overall)
1,450.00 MPa
Rank: 6 (Overall)
Cesium
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4.4.3 Vickers Hardness
Tungsten
Not Available
Rank: N/A (Overall)
1,520.00 MPa
Rank: 5 (Overall)
Palladium
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4.5 Speed of Sound
Technetium
Not Available
Rank: N/A (Overall)
3,010.00 m/s
Rank: 27 (Overall)
Thallium
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4.6 Optical Properties
4.6.1 Refractive Index
Palladium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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4.6.2 Reflectivity
Silver
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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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
Sg
Hf
5.2 Isotopes
5.2.1 Known Isotopes
Palladium
9
Rank: 29 (Overall)
32
Rank: 7 (Overall)
Tennessine
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold
Not Available
Rank: N/A (Overall)
1.30
Rank: 32 (Overall)
Francium
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5.3.2 Sanderson Electronegativity
Cobalt
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.3 Allred Rochow Electronegativity
Gallium
Not Available
Rank: N/A (Overall)
1.23
Rank: 25 (Overall)
Cesium
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5.3.4 Mulliken-Jaffe Electronegativity
Polonium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.5 Allen Electronegativity
Berkelium
Not Available
Rank: N/A (Overall)
1.16
Rank: 37 (Overall)
Cesium
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium
Not Available
Rank: N/A (Overall)
2.70
Rank: 22 (Overall)
Gold
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium
757.40 kJ/mol
Rank: 21 (Overall)
658.50 kJ/mol
Rank: 40 (Overall)
Cesium
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5.5.2 2nd Energy Level
Chromium
1,732.90 kJ/mol
Rank: 28 (Overall)
1,440.00 kJ/mol
Rank: 44 (Overall)
Ruthenium
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5.5.3 3rd Energy Level
Chromium
2,483.50 kJ/mol
Rank: 46 (Overall)
2,250.00 kJ/mol
Rank: 60 (Overall)
Osmium
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5.5.4 4th Energy Level
Chromium
3,415.60 kJ/mol
Rank: 58 (Overall)
3,216.00 kJ/mol
Rank: 63 (Overall)
Thorium
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5.5.5 5th Energy Level
Chromium
4,561.80 kJ/mol
Rank: 38 (Overall)
Not Available
Rank: N/A (Overall)
Dubnium
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5.5.6 6th Energy Level
Chromium
5,715.80 kJ/mol
Rank: 25 (Overall)
Not Available
Rank: N/A (Overall)
Seaborgium
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5.5.7 7th Energy level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bohrium
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5.5.8 8th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Hassium
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5.5.9 9th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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5.5.10 10th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Strontium
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5.5.11 11th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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5.5.12 12th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.13 13th Energy Level
Titanium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.14 14th Energy Level
Vanadium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.15 15th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Manganese
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5.5.16 16th Energy Level
Manganese
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Iron
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5.5.17 17th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cobalt
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5.5.18 18th Energy Level
Cobalt
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Nickel
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5.5.19 19th Energy Level
Nickel
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Copper
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5.5.20 20th Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.21 21st Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.22 22nd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.23 23rd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.24 24th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.25 25th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.26 26th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.27 27th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.28 28th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.29 29th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.30 30th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.6 Electrochemical Equivalent
Francium
Not Available
Rank: N/A (Overall)
1.66 g/amp-hr
Rank: 44 (Overall)
Beryllium
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5.7 Electron Work Function
Platinum
Not Available
Rank: N/A (Overall)
3.90 eV
Rank: 27 (Overall)
Cesium
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5.8 Other Chemical Properties
NA
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
6 Atomic
6.1 Atomic Number
Tennessine
106
Rank: 12 (Overall)
72
Rank: 44 (Overall)
Lithium
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6.2 Electron Configuration
[Rn] 5f14 6d2 7s2
[Xe] 4f14 5d2 6s2
6.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
Tennessine
106
Rank: 12 (Overall)
72
Rank: 43 (Overall)
Lithium
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6.4.2 Number of Neutrons
Flerovium
157
Rank: 7 (Overall)
106
Rank: 29 (Overall)
Lithium
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6.4.3 Number of Electrons
Tennessine
106
Rank: 12 (Overall)
72
Rank: 43 (Overall)
Lithium
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium
132.00 pm
Rank: 45 (Overall)
159.00 pm
Rank: 28 (Overall)
Beryllium
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6.5.2 Covalent Radius
Francium
143.00 pm
Rank: 41 (Overall)
175.00 pm
Rank: 23 (Overall)
Beryllium
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6.5.3 Van der Waals Radius
Francium
Not Available
Rank: N/A (Overall)
200.00 pm
Rank: 28 (Overall)
Zinc
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6.6 Atomic Weight
Tennessine
269.00 amu
Rank: 9 (Overall)
178.49 amu
Rank: 39 (Overall)
Lithium
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6.7 Atomic Volume
Cesium
Not Available
Rank: N/A (Overall)
13.60 cm3/mol
Rank: 38 (Overall)
Manganese
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6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
Platinum
Not Available
Rank: N/A (Overall)
81.00 (-eV)
Rank: 16 (Overall)
Francium
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6.10 Lattice Constant
Manganese
Not Available
Rank: N/A (Overall)
319.64 pm
Rank: 55 (Overall)
Beryllium
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6.11 Lattice Angles
Unknown
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
Cadmium
Not Available
Rank: N/A (Overall)
1.58
Rank: 12 (Overall)
Beryllium
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7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
Hassium
35.00 g/cm3
Rank: 4 (Overall)
13.31 g/cm3
Rank: 26 (Overall)
Lithium
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7.1.2 Density When Liquid (at m.p.)
Osmium
Not Available
Rank: N/A (Overall)
12.00 g/cm3
Rank: 12 (Overall)
Lithium
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7.2 Tensile Strength
Iron
Not Available
Rank: N/A (Overall)
445.00 MPa
Rank: 8 (Overall)
Indium
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7.3 Viscosity
Mercury
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
Strontium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cerium
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7.4.2 Vapor Pressure at 2000 K
Chromium
Not Available
Rank: N/A (Overall)
0.00 (Pa)
Rank: 24 (Overall)
Tungsten
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7.5 Elasticity properties
7.5.1 Shear Modulus
Osmium
Not Available
Rank: N/A (Overall)
30.00 GPa
Rank: 23 (Overall)
Potassium
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7.5.2 Bulk Modulus
Osmium
Not Available
Rank: N/A (Overall)
110.00 GPa
Rank: 15 (Overall)
Cesium
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7.5.3 Young's Modulus
Iridium
Not Available
Rank: N/A (Overall)
78.00 GPa
Rank: 25 (Overall)
Cesium
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7.6 Poisson Ratio
Gallium
Not Available
Rank: N/A (Overall)
0.37
Rank: 7 (Overall)
Beryllium
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7.7 Other Mechanical Properties
Unknown
Ductile, Malleable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
Cobalt
Not Available
Rank: N/A (Overall)
13.31
Rank: 18 (Overall)
Lithium
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8.1.2 Magnetic Ordering
Unknown
Paramagnetic
8.1.3 Permeability
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
ADD ⊕
8.1.4 Susceptibility
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
ADD ⊕
8.2 Electrical Properties
8.2.1 Electrical Property
Unknown
Conductor
8.2.2 Resistivity
Mercury
Not Available
Rank: N/A (Overall)
331.00 nΩ·m
Rank: 14 (Overall)
Thallium
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8.2.3 Electrical Conductivity
Silver
Not Available
Rank: N/A (Overall)
0.03 106/cm Ω
Rank: 39 (Overall)
Plutonium
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8.2.4 Electron Affinity
Gold
Not Available
Rank: N/A (Overall)
0.00 kJ/mol
Rank: 40 (Overall)
Mercury
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9 Thermal
9.1 Specific Heat
Lithium
Not Available
Rank: N/A (Overall)
0.14 J/(kg K)
Rank: 37 (Overall)
Americium
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9.2 Molar Heat Capacity
Americium
Not Available
Rank: N/A (Overall)
25.73 J/mol·K
Rank: 36 (Overall)
Beryllium
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9.3 Thermal Conductivity
Silver
Not Available
Rank: N/A (Overall)
23.00 W/m·K
Rank: 41 (Overall)
Neptunium
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9.4 Critical Temperature
Lithium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium
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9.5 Thermal Expansion
Cesium
Not Available
Rank: N/A (Overall)
5.90 µm/(m·K)
Rank: 54 (Overall)
Tungsten
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9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
Tungsten
Not Available
Rank: N/A (Overall)
661.10 kJ/mol
Rank: 5 (Overall)
Zinc
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9.6.2 Enthalpy of Fusion
Tungsten
Not Available
Rank: N/A (Overall)
25.10 kJ/mol
Rank: 8 (Overall)
Cesium
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9.6.3 Enthalpy of Atomization
Tungsten
Not Available
Rank: N/A (Overall)
703.00 kJ/mol
Rank: 5 (Overall)
Mercury
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9.7 Standard Molar Entropy
Protactinium
Not Available
Rank: N/A (Overall)
43.60 J/mol.K
Rank: 34 (Overall)
Beryllium
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