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Mendelevium
Mendelevium

Rhodium
Rhodium



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Mendelevium
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Mendelevium vs Rhodium

1 Periodic Table
1.1 Symbol
Md
Rh
1.2 Group Number
Tennessine
Not Available
Rank: N/A (Overall)
9
Rank: 9 (Overall)
Gadolinium
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2.3 Period Number
Uranium
7
Rank: 1 (Overall)
5
Rank: 3 (Overall)
Lithium
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2.5 Block
f block
d block
2.6 Element Family
Actinide
Transition Metal
2.7 CAS Number
Roentgenium
7440111
Rank: 68 (Overall)
7440166
Rank: 63 (Overall)
Aluminium
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2.8 Space Group Name
Not Available
Fm_ 3m
2.9 Space Group Number
Sodium
Not Available
Rank: N/A (Overall)
225.00
Rank: 2 (Overall)
Plutonium
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3 Facts
3.1 Interesting Facts
  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.
  • Rhodium is the rarest element out of all non-radioactive metals on the earth .
  • Rhodium is one of the most durable and hard metal, which also have high reflectance.
3.2 Sources
Bombarding Einsteinium with Helium Ions
Earth's crust, Found As a By-product, Found in Minerals, Mining
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory
William Hyde Wollaston
3.3.2 Discovery
In 1955
In 1804
3.4 Abundance
3.4.1 Abundance In Universe
Iron
Not Available
Rank: N/A (Overall)
6 * 10-8 %
Rank: 26 (Overall)
Thallium
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3.5.2 Abundance In Sun
Iron
~-9999 %
Rank: N/A (Overall)
~0.0000002 %
Rank: 25 (Overall)
Beryllium
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3.6.3 Abundance In Meteorites
Iron
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 36 (Overall)
Gold
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3.6.5 Abundance In Earth's Crust
Aluminium
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 55 (Overall)
Radium
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3.6.8 Abundance In Oceans
Sodium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Protactinium
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3.6.10 Abundance In Humans
Calcium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Radium
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4 Uses
4.1 Uses & Benefits
  • Currently known uses of Mendelevium metal are limited to research purpose only.
  • Rhodium metal is mainly used in catalytic converters for cars as it reduces nitrogen oxides in exhaust gases.
  • It is used as an industrial catalyst for nitric acid, acetic acid, hydrogenation reaction, etc.
4.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
NA
Alloys
4.2 Biological Properties
4.2.1 Toxicity
Unknown
NA
4.2.2 Present in Human Body
7% Actinide Series Metals have it !
60% Transition Metals Metals have it !
4.2.3 In Blood
Sodium
0.00 Blood/mg dm-3
Rank: 37 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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4.2.5 In Bone
Calcium
0.00 p.p.m.
Rank: 36 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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5 Physical
5.1 Melting Point
Tungsten
827.00 °C
Rank: 53 (Overall)
1,966.00 °C
Rank: 12 (Overall)
Francium
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5.2 Boiling Point
Tungsten
Not Available
Rank: N/A (Overall)
3,727.00 °C
Rank: 17 (Overall)
Flerovium
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5.3 Appearance
5.3.1 Physical State
Solid
Solid
5.3.2 Color
Unknown
Silvery White
5.3.3 Luster
Metallic
Metallic
5.4 Hardness
5.4.1 Mohs Hardness
Chromium
Not Available
Rank: N/A (Overall)
6.00
Rank: 6 (Overall)
Cesium
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5.4.4 Brinell Hardness
Osmium
Not Available
Rank: N/A (Overall)
980.00 MPa
Rank: 9 (Overall)
Cesium
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5.4.6 Vickers Hardness
Tungsten
Not Available
Rank: N/A (Overall)
1,100.00 MPa
Rank: 9 (Overall)
Palladium
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5.5 Speed of Sound
Technetium
Not Available
Rank: N/A (Overall)
4,700.00 m/s
Rank: 15 (Overall)
Thallium
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5.6 Optical Properties
5.6.1 Refractive Index
Palladium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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5.6.4 Reflectivity
Silver
Not Available
Rank: N/A (Overall)
84.00 %
Rank: 4 (Overall)
Molybdenum
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5.7 Allotropes
No Actinide Series Metals has it !
6% Transition Metals Metals have it !
5.7.2 α Allotropes
Not Available
Not Available
5.7.3 β Allotropes
Not Available
Not Available
5.7.4 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
Md
Rh
6.2 Isotopes
6.2.1 Known Isotopes
Palladium
16
Rank: 23 (Overall)
16
Rank: 23 (Overall)
Tennessine
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6.3 Electronegativity
6.3.1 Pauling Electronegativity
Gold
1.30
Rank: 32 (Overall)
2.28
Rank: 3 (Overall)
Francium
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6.3.4 Sanderson Electronegativity
Cobalt
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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6.3.7 Allred Rochow Electronegativity
Gallium
1.20
Rank: 27 (Overall)
1.45
Rank: 16 (Overall)
Cesium
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6.5.1 Mulliken-Jaffe Electronegativity
Polonium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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7.1.1 Allen Electronegativity
Berkelium
Not Available
Rank: N/A (Overall)
1.56
Rank: 24 (Overall)
Cesium
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7.5 Electropositivity
7.5.1 Pauling Electropositivity
Francium
2.70
Rank: 22 (Overall)
1.72
Rank: 50 (Overall)
Gold
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7.7 Ionization Energies
7.7.2 1st Energy Level
Chromium
635.00 kJ/mol
Rank: 45 (Overall)
719.70 kJ/mol
Rank: 29 (Overall)
Cesium
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7.7.4 2nd Energy Level
Chromium
1,235.00 kJ/mol
Rank: 57 (Overall)
1,740.00 kJ/mol
Rank: 26 (Overall)
Ruthenium
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7.8.1 3rd Energy Level
Chromium
2,470.00 kJ/mol
Rank: 47 (Overall)
2,997.00 kJ/mol
Rank: 27 (Overall)
Osmium
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7.9.1 4th Energy Level
Chromium
3,840.00 kJ/mol
Rank: 44 (Overall)
Not Available
Rank: N/A (Overall)
Thorium
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7.12.1 5th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Dubnium
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7.14.1 6th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Seaborgium
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8.1.3 7th Energy level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bohrium
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8.2.1 8th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Hassium
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8.4.2 9th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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8.4.4 10th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Strontium
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8.5.3 11th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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8.6.1 12th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.6.2 13th Energy Level
Titanium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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9.1.2 14th Energy Level
Vanadium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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9.1.5 15th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Manganese
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9.1.7 16th Energy Level
Manganese
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Iron
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9.1.8 17th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cobalt
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9.2.3 18th Energy Level
Cobalt
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Nickel
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9.2.5 19th Energy Level
Nickel
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Copper
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9.2.7 20th Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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10.1.1 21st Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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10.1.2 22nd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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10.3.1 23rd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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10.4.1 24th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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10.5.1 25th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
10.5.2 26th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
10.6.2 27th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
10.6.3 28th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
10.6.5 29th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
10.6.6 30th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
10.7 Electrochemical Equivalent
Francium
3.21 g/amp-hr
Rank: 12 (Overall)
1.28 g/amp-hr
Rank: 50 (Overall)
Beryllium
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10.8 Electron Work Function
Platinum
Not Available
Rank: N/A (Overall)
4.98 eV
Rank: 6 (Overall)
Cesium
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10.10 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes
11 Atomic
11.1 Atomic Number
Tennessine
101
Rank: 17 (Overall)
45
Rank: 67 (Overall)
Lithium
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11.2 Electron Configuration
[Rn] 5f13 7s2
[Kr] 4d8 5s1
11.3 Crystal Structure
Not Known
Face Centered Cubic (FCC)
11.3.1 Crystal Lattice
11.4 Atom
11.4.1 Number of Protons
Tennessine
101
Rank: 17 (Overall)
45
Rank: 66 (Overall)
Lithium
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11.4.2 Number of Neutrons
Flerovium
157
Rank: 7 (Overall)
58
Rank: 49 (Overall)
Lithium
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11.4.3 Number of Electrons
Tennessine
101
Rank: 17 (Overall)
45
Rank: 66 (Overall)
Lithium
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11.5 Radius of an Atom
11.5.1 Atomic Radius
Cesium
Not Available
Rank: N/A (Overall)
134.00 pm
Rank: 43 (Overall)
Beryllium
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11.5.2 Covalent Radius
Francium
Not Available
Rank: N/A (Overall)
142.00 pm
Rank: 42 (Overall)
Beryllium
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11.5.3 Van der Waals Radius
Francium
246.00 pm
Rank: 8 (Overall)
200.00 pm
Rank: 28 (Overall)
Zinc
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11.6 Atomic Weight
Tennessine
258.00 amu
Rank: 14 (Overall)
102.91 amu
Rank: 61 (Overall)
Lithium
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11.7 Atomic Volume
Cesium
Not Available
Rank: N/A (Overall)
8.30 cm3/mol
Rank: 59 (Overall)
Manganese
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11.8 Adjacent Atomic Numbers
11.8.1 Previous Element
11.8.2 Next Element
11.9 Valence Electron Potential
Platinum
Not Available
Rank: N/A (Overall)
64.00 (-eV)
Rank: 22 (Overall)
Francium
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11.10 Lattice Constant
Manganese
Not Available
Rank: N/A (Overall)
380.34 pm
Rank: 27 (Overall)
Beryllium
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11.11 Lattice Angles
NA
π/2, π/2, π/2
11.12 Lattice C/A Ratio
Cadmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
Hassium
Not Available
Rank: N/A (Overall)
12.41 g/cm3
Rank: 28 (Overall)
Lithium
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12.1.2 Density When Liquid (at m.p.)
Osmium
Not Available
Rank: N/A (Overall)
10.70 g/cm3
Rank: 14 (Overall)
Lithium
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12.2 Tensile Strength
Iron
Not Available
Rank: N/A (Overall)
951.00 MPa
Rank: 5 (Overall)
Indium
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12.3 Viscosity
Mercury
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
12.4 Vapor Pressure
12.4.1 Vapor Pressure at 1000 K
Strontium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cerium
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12.4.2 Vapor Pressure at 2000 K
Chromium
Not Available
Rank: N/A (Overall)
0.02 (Pa)
Rank: 19 (Overall)
Tungsten
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12.5 Elasticity properties
12.5.1 Shear Modulus
Osmium
Not Available
Rank: N/A (Overall)
150.00 GPa
Rank: 6 (Overall)
Potassium
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12.5.2 Bulk Modulus
Osmium
Not Available
Rank: N/A (Overall)
275.00 GPa
Rank: 5 (Overall)
Cesium
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12.5.3 Young's Modulus
Iridium
Not Available
Rank: N/A (Overall)
380.00 GPa
Rank: 5 (Overall)
Cesium
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12.6 Poisson Ratio
Gallium
Not Available
Rank: N/A (Overall)
0.26
Rank: 22 (Overall)
Beryllium
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12.7 Other Mechanical Properties
Unknown
Malleable
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
Cobalt
Not Available
Rank: N/A (Overall)
12.41
Rank: 20 (Overall)
Lithium
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13.1.2 Magnetic Ordering
Unknown
Paramagnetic
13.1.3 Permeability
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
ADD ⊕
13.1.4 Susceptibility
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
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13.2 Electrical Properties
13.2.1 Electrical Property
Unknown
Conductor
13.2.2 Resistivity
Mercury
Not Available
Rank: N/A (Overall)
43.30 nΩ·m
Rank: 46 (Overall)
Thallium
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13.2.3 Electrical Conductivity
Silver
Not Available
Rank: N/A (Overall)
0.21 106/cm Ω
Rank: 8 (Overall)
Plutonium
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13.2.4 Electron Affinity
Gold
Not Available
Rank: N/A (Overall)
109.70 kJ/mol
Rank: 7 (Overall)
Mercury
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14 Thermal
14.1 Specific Heat
Lithium
Not Available
Rank: N/A (Overall)
0.24 J/(kg K)
Rank: 22 (Overall)
Americium
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14.2 Molar Heat Capacity
Americium
Not Available
Rank: N/A (Overall)
24.98 J/mol·K
Rank: 45 (Overall)
Beryllium
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14.3 Thermal Conductivity
Silver
Not Available
Rank: N/A (Overall)
150.00 W/m·K
Rank: 9 (Overall)
Neptunium
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14.4 Critical Temperature
Lithium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium
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14.5 Thermal Expansion
Cesium
Not Available
Rank: N/A (Overall)
8.20 µm/(m·K)
Rank: 47 (Overall)
Tungsten
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14.6 Enthalpy
14.6.1 Enthalpy of Vaporization
Tungsten
Not Available
Rank: N/A (Overall)
495.40 kJ/mol
Rank: 12 (Overall)
Zinc
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14.6.2 Enthalpy of Fusion
Tungsten
Not Available
Rank: N/A (Overall)
21.76 kJ/mol
Rank: 10 (Overall)
Cesium
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14.6.3 Enthalpy of Atomization
Tungsten
Not Available
Rank: N/A (Overall)
556.50 kJ/mol
Rank: 12 (Overall)
Mercury
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14.7 Standard Molar Entropy
Protactinium
Not Available
Rank: N/A (Overall)
31.50 J/mol.K
Rank: 49 (Overall)
Beryllium
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