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Thorium
Thorium

Lawrencium
Lawrencium



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Thorium
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Thorium vs Lawrencium

1 Periodic Table
1.1 Symbol
Th
Lr
1.2 Group Number
Tennessine
0
Rank: 18 (Overall)
Not Available
Rank: N/A (Overall)
Gadolinium
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1.3 Period Number
Uranium
7
Rank: 1 (Overall)
7
Rank: 1 (Overall)
Lithium
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1.4 Block
f block
d block
1.5 Element Family
Actinide
Actinide
1.6 CAS Number
Roentgenium
7440326
Rank: 49 (Overall)
22537195
Rank: 15 (Overall)
Aluminium
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1.7 Space Group Name
P63/mmc
Not Available
1.8 Space Group Number
Sodium
194.00
Rank: 5 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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2 Facts
2.1 Interesting Facts
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
  • It is synthetically produced metal.
  • Radiation hazard can be produce by it.
2.2 Sources
Found in Minerals, Mining
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Jöns Jakob Berzelius
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
2.3.2 Discovery
In 1829
In 1961–1971
2.4 Abundance
2.4.1 Abundance In Universe
Iron
3 * 10-4 %
Rank: 9 (Overall)
Not Available
Rank: N/A (Overall)
Thallium
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2.4.2 Abundance In Sun
Iron
~0.0004 %
Rank: 9 (Overall)
~-9999 %
Rank: N/A (Overall)
Beryllium
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2.4.3 Abundance In Meteorites
Iron
0.05 %
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Gold
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2.4.4 Abundance In Earth's Crust
Aluminium
0.66 %
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Radium
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2.4.5 Abundance In Oceans
Sodium
0.00 %
Rank: 15 (Overall)
Not Available
Rank: N/A (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
  • Thorium metal is used as an allying agent for Magnesium, It imparts greater strength and resistance to temperature.
  • compound of this metal Thorium oxide is used as an industrial catalyst.
  • Currently known uses of Lawrencium metal are limited to research purpose only.
3.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
NA
3.1.2 Medical Uses
Dentistry, Surgical Instruments Manufacturing
NA
3.1.3 Other Uses
Alloys, Jewellery, Sculptures, Statues
NA
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Unknown
3.2.2 Present in Human Body
7% Actinide Series Metals have it !
7% Actinide Series Metals have it !
3.2.3 In Blood
Sodium
0.00 Blood/mg dm-3
Rank: 33 (Overall)
0.00 Blood/mg dm-3
Rank: 37 (Overall)
Plutonium
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3.2.4 In Bone
Calcium
0.02 p.p.m.
Rank: 29 (Overall)
0.00 p.p.m.
Rank: 36 (Overall)
Plutonium
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4 Physical
4.1 Melting Point
Tungsten
1,750.00 °C
Rank: 17 (Overall)
1,627.00 °C
Rank: 20 (Overall)
Francium
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4.2 Boiling Point
Tungsten
4,790.00 °C
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Flerovium
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4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silver
Silver
4.3.3 Luster
NA
Unknown Luster
4.4 Hardness
4.4.1 Mohs Hardness
Chromium
3.00
Rank: 12 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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4.4.2 Brinell Hardness
Osmium
390.00 MPa
Rank: 29 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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4.4.3 Vickers Hardness
Tungsten
295.00 MPa
Rank: 29 (Overall)
Not Available
Rank: N/A (Overall)
Palladium
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4.5 Speed of Sound
Technetium
2,490.00 m/s
Rank: 36 (Overall)
Not Available
Rank: N/A (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
No Actinide Series Metals has it !
No Actinide Series Metals has 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
Th
Lr
5.2 Isotopes
5.2.1 Known Isotopes
Palladium
28
Rank: 11 (Overall)
10
Rank: 28 (Overall)
Tennessine
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold
1.30
Rank: 32 (Overall)
Not Available
Rank: N/A (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
1.11
Rank: 29 (Overall)
Not Available
Rank: N/A (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)
Not Available
Rank: N/A (Overall)
Cesium
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium
2.70
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Gold
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium
587.00 kJ/mol
Rank: 60 (Overall)
470.00 kJ/mol
Rank: 86 (Overall)
Cesium
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5.5.2 2nd Energy Level
Chromium
1,110.00 kJ/mol
Rank: 73 (Overall)
1,428.00 kJ/mol
Rank: 45 (Overall)
Ruthenium
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5.5.3 3rd Energy Level
Chromium
1,978.00 kJ/mol
Rank: 77 (Overall)
2,228.00 kJ/mol
Rank: 61 (Overall)
Osmium
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5.5.4 4th Energy Level
Chromium
2,780.00 kJ/mol
Rank: 67 (Overall)
4,910.00 kJ/mol
Rank: 21 (Overall)
Thorium
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5.5.5 5th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Dubnium
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5.5.6 6th Energy Level
Chromium
Not Available
Rank: N/A (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
2.16 g/amp-hr
Rank: 24 (Overall)
3.23 g/amp-hr
Rank: 11 (Overall)
Beryllium
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5.7 Electron Work Function
Platinum
3.41 eV
Rank: 32 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.8 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes
6 Atomic
6.1 Atomic Number
Tennessine
90
Rank: 28 (Overall)
103
Rank: 15 (Overall)
Lithium
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6.2 Electron Configuration
[Rn] 6d2 7s2
[Rn] 5f14 7s2 7p1
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
90
Rank: 28 (Overall)
103
Rank: 15 (Overall)
Lithium
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6.4.2 Number of Neutrons
Flerovium
142
Rank: 15 (Overall)
157
Rank: 7 (Overall)
Lithium
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6.4.3 Number of Electrons
Tennessine
90
Rank: 28 (Overall)
103
Rank: 15 (Overall)
Lithium
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium
179.80 pm
Rank: 15 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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6.5.2 Covalent Radius
Francium
206.00 pm
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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6.5.3 Van der Waals Radius
Francium
237.00 pm
Rank: 15 (Overall)
246.00 pm
Rank: 8 (Overall)
Zinc
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6.6 Atomic Weight
Tennessine
232.04 amu
Rank: 23 (Overall)
266.00 amu
Rank: 12 (Overall)
Lithium
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6.7 Atomic Volume
Cesium
19.90 cm3/mol
Rank: 20 (Overall)
Not Available
Rank: N/A (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
59.30 (-eV)
Rank: 23 (Overall)
Not Available
Rank: N/A (Overall)
Francium
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6.10 Lattice Constant
Manganese
508.42 pm
Rank: 14 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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6.11 Lattice Angles
π/2, π/2, π/2
NA
6.12 Lattice C/A Ratio
Cadmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
Hassium
11.72 g/cm3
Rank: 32 (Overall)
Not Available
Rank: N/A (Overall)
Lithium
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7.1.2 Density When Liquid (at m.p.)
Osmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Lithium
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7.2 Tensile Strength
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (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
0.00 (Pa)
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Tungsten
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7.5 Elasticity properties
7.5.1 Shear Modulus
Osmium
31.00 GPa
Rank: 21 (Overall)
Not Available
Rank: N/A (Overall)
Potassium
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7.5.2 Bulk Modulus
Osmium
54.00 GPa
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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7.5.3 Young's Modulus
Iridium
79.00 GPa
Rank: 24 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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7.6 Poisson Ratio
Gallium
0.27
Rank: 20 (Overall)
0.32
Rank: 12 (Overall)
Beryllium
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7.7 Other Mechanical Properties
Ductile
Unknown
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
Cobalt
11.70
Rank: 23 (Overall)
Not Available
Rank: N/A (Overall)
Lithium
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8.1.2 Magnetic Ordering
Paramagnetic
Unknown
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
Superconductor
Unknown
8.2.2 Resistivity
Mercury
157.00 nΩ·m
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Thallium
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8.2.3 Electrical Conductivity
Silver
0.07 106/cm Ω
Rank: 31 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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8.2.4 Electron Affinity
Gold
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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9 Thermal
9.1 Specific Heat
Lithium
0.12 J/(kg K)
Rank: 40 (Overall)
Not Available
Rank: N/A (Overall)
Americium
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9.2 Molar Heat Capacity
Americium
26.23 J/mol·K
Rank: 30 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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9.3 Thermal Conductivity
Silver
54.00 W/m·K
Rank: 28 (Overall)
Not Available
Rank: N/A (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
11.00 µm/(m·K)
Rank: 36 (Overall)
Not Available
Rank: N/A (Overall)
Tungsten
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9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
Tungsten
429.00 kJ/mol
Rank: 15 (Overall)
Not Available
Rank: N/A (Overall)
Zinc
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9.6.2 Enthalpy of Fusion
Tungsten
15.48 kJ/mol
Rank: 19 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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9.6.3 Enthalpy of Atomization
Tungsten
468.60 kJ/mol
Rank: 15 (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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9.7 Standard Molar Entropy
Protactinium
27.30 J/mol.K
Rank: 56 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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