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Lead
Lead

Dubnium
Dubnium



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Dubnium

Lead vs Dubnium

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1 Periodic Table
1.1 Symbol
Pb
Db
1.2 Group Number
Tennessine
14
Rank: 4 (Overall)
5
Rank: 13 (Overall)
Gadolinium
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1.3 Period Number
Uranium
6
Rank: 2 (Overall)
7
Rank: 1 (Overall)
Lithium
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1.4 Block
p block
d block
1.5 Element Family
Post-​Transition
Transition Metal
1.6 CAS Number
Roentgenium
7439921
Rank: 86 (Overall)
53850354
Rank: 14 (Overall)
Aluminium
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1.7 Space Group Name
Fm_ 3m
Not Available
1.8 Space Group Number
Sodium
225.00
Rank: 2 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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2 Facts
2.1 Interesting Facts
  • Galena mineral contains almost 87% of Lead metal in it, Galena is sulfide mineral.
  • The best available source of Lead metal today is by recycling automobile batteries.
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
2.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals
Produced by Bombarding Am243 with Ne22, Synthetically Produced
2.3 History
2.3.1 Who Discovered
Unknown
Joint Institute for Nuclear Research
2.3.2 Discovery
In Middle Easterns (7000 BCE)
In 1968
2.4 Abundance
2.4.1 Abundance In Universe
Iron
1 * 10-6 %
Rank: 16 (Overall)
Not Available
Rank: N/A (Overall)
Thallium
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2.4.2 Abundance In Sun
Iron
~0.000001 %
Rank: 18 (Overall)
~-9999 %
Rank: N/A (Overall)
Beryllium
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2.4.3 Abundance In Meteorites
Iron
0.00 %
Rank: 23 (Overall)
Not Available
Rank: N/A (Overall)
Gold
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2.4.4 Abundance In Earth's Crust
Aluminium
0.00 %
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Radium
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2.4.5 Abundance In Oceans
Sodium
0.00 %
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Protactinium
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2.4.6 Abundance In Humans
Calcium
0.00 %
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Radium
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3 Uses
3.1 Uses & Benefits
  • It is also used in insecticides, hair dyes and as an anti-knocking additive for petrol. But all these are banned by the government as Lead metal is known for detrimental to health.
  • Currently known uses of Dubnium metal are limited to research purpose only.
3.1.1 Industrial Uses
Chemical Industry, Electrical Industry, Electronic Industry
NA
3.1.2 Medical Uses
Surgical Instruments Manufacturing
NA
3.1.3 Other Uses
Alloys
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Toxic
Unknown
3.2.2 Present in Human Body
70% Post Transition Metals Metals have it !
60% Transition Metals Metals have it !
3.2.3 In Blood
Sodium
0.21 Blood/mg dm-3
Rank: 11 (Overall)
0.00 Blood/mg dm-3
Rank: 37 (Overall)
Plutonium
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3.2.4 In Bone
Calcium
30.00 p.p.m.
Rank: 10 (Overall)
0.00 p.p.m.
Rank: 36 (Overall)
Plutonium
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4 Physical
4.1 Melting Point
Tungsten
327.50 °C
Rank: 67 (Overall)
Not Available
Rank: N/A (Overall)
Francium
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4.2 Boiling Point
Tungsten
1,740.00 °C
Rank: 53 (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
Gray
Unknown
4.3.3 Luster
Metallic
Unknown Luster
4.4 Hardness
4.4.1 Mohs Hardness
Chromium
1.50
Rank: 18 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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4.4.2 Brinell Hardness
Osmium
38.00 MPa
Rank: 49 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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4.4.3 Vickers Hardness
Tungsten
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Palladium
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4.5 Speed of Sound
Technetium
1,190.00 m/s
Rank: 52 (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
20% Post 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
Pb
Db
5.2 Isotopes
5.2.1 Known Isotopes
Palladium
35
Rank: 4 (Overall)
10
Rank: 28 (Overall)
Tennessine
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold
1.87
Rank: 13 (Overall)
Not Available
Rank: N/A (Overall)
Francium
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5.3.2 Sanderson Electronegativity
Cobalt
2.29
Rank: 4 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.3 Allred Rochow Electronegativity
Gallium
1.55
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.4 Mulliken-Jaffe Electronegativity
Polonium
2.41
Rank: 2 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.5 Allen Electronegativity
Berkelium
1.85
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium
1.67
Rank: 51 (Overall)
Not Available
Rank: N/A (Overall)
Gold
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium
715.60 kJ/mol
Rank: 31 (Overall)
664.80 kJ/mol
Rank: 38 (Overall)
Cesium
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5.5.2 2nd Energy Level
Chromium
1,450.50 kJ/mol
Rank: 43 (Overall)
1,546.70 kJ/mol
Rank: 38 (Overall)
Ruthenium
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5.5.3 3rd Energy Level
Chromium
3,081.50 kJ/mol
Rank: 23 (Overall)
2,378.40 kJ/mol
Rank: 53 (Overall)
Osmium
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5.5.4 4th Energy Level
Chromium
4,083.00 kJ/mol
Rank: 35 (Overall)
3,298.80 kJ/mol
Rank: 61 (Overall)
Thorium
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5.5.5 5th Energy Level
Chromium
6,640.00 kJ/mol
Rank: 20 (Overall)
4,305.20 kJ/mol
Rank: 39 (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
3.87 g/amp-hr
Rank: 9 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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5.7 Electron Work Function
Platinum
4.25 eV
Rank: 21 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
6 Atomic
6.1 Atomic Number
Tennessine
82
Rank: 34 (Overall)
105
Rank: 13 (Overall)
Lithium
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6.2 Electron Configuration
[Xe] 4f14 5d10 6s2 6p2
[Rn] 5f14 6d3 7s2
6.3 Crystal Structure
Face Centered Cubic (FCC)
Body Centered Cubic (BCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
Tennessine
82
Rank: 34 (Overall)
105
Rank: 13 (Overall)
Lithium
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6.4.2 Number of Neutrons
Flerovium
125
Rank: 19 (Overall)
157
Rank: 7 (Overall)
Lithium
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6.4.3 Number of Electrons
Tennessine
82
Rank: 34 (Overall)
105
Rank: 13 (Overall)
Lithium
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium
175.00 pm
Rank: 19 (Overall)
139.00 pm
Rank: 39 (Overall)
Beryllium
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6.5.2 Covalent Radius
Francium
146.00 pm
Rank: 38 (Overall)
149.00 pm
Rank: 35 (Overall)
Beryllium
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6.5.3 Van der Waals Radius
Francium
202.00 pm
Rank: 27 (Overall)
Not Available
Rank: N/A (Overall)
Zinc
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6.6 Atomic Weight
Tennessine
207.20 amu
Rank: 30 (Overall)
268.00 amu
Rank: 10 (Overall)
Lithium
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6.7 Atomic Volume
Cesium
18.17 cm3/mol
Rank: 27 (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
24.20 (-eV)
Rank: 57 (Overall)
Not Available
Rank: N/A (Overall)
Francium
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6.10 Lattice Constant
Manganese
495.08 pm
Rank: 16 (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
11.34 g/cm3
Rank: 33 (Overall)
29.30 g/cm3
Rank: 5 (Overall)
Lithium
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7.1.2 Density When Liquid (at m.p.)
Osmium
10.66 g/cm3
Rank: 15 (Overall)
Not Available
Rank: N/A (Overall)
Lithium
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7.2 Tensile Strength
Iron
12.00 MPa
Rank: 20 (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
1.64 (Pa)
Rank: 7 (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)
Not Available
Rank: N/A (Overall)
Tungsten
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7.5 Elasticity properties
7.5.1 Shear Modulus
Osmium
5.60 GPa
Rank: 47 (Overall)
Not Available
Rank: N/A (Overall)
Potassium
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7.5.2 Bulk Modulus
Osmium
46.00 GPa
Rank: 24 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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7.5.3 Young's Modulus
Iridium
16.00 GPa
Rank: 48 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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7.6 Poisson Ratio
Gallium
0.44
Rank: 3 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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7.7 Other Mechanical Properties
Ductile, Malleable
Unknown
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
Cobalt
11.35
Rank: 25 (Overall)
Not Available
Rank: N/A (Overall)
Lithium
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8.1.2 Magnetic Ordering
Diamagnetic
Unknown
8.1.3 Permeability
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
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8.1.4 Susceptibility
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
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8.2 Electrical Properties
8.2.1 Electrical Property
Poor Conductor
Unknown
8.2.2 Resistivity
Mercury
208.00 nΩ·m
Rank: 16 (Overall)
Not Available
Rank: N/A (Overall)
Thallium
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8.2.3 Electrical Conductivity
Silver
0.05 106/cm Ω
Rank: 36 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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8.2.4 Electron Affinity
Gold
35.10 kJ/mol
Rank: 28 (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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9 Thermal
9.1 Specific Heat
Lithium
0.13 J/(kg K)
Rank: 39 (Overall)
Not Available
Rank: N/A (Overall)
Americium
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9.2 Molar Heat Capacity
Americium
26.65 J/mol·K
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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9.3 Thermal Conductivity
Silver
35.30 W/m·K
Rank: 38 (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
28.90 µm/(m·K)
Rank: 13 (Overall)
Not Available
Rank: N/A (Overall)
Tungsten
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9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
Tungsten
179.40 kJ/mol
Rank: 43 (Overall)
Not Available
Rank: N/A (Overall)
Zinc
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9.6.2 Enthalpy of Fusion
Tungsten
4.77 kJ/mol
Rank: 53 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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9.6.3 Enthalpy of Atomization
Tungsten
194.60 kJ/mol
Rank: 45 (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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9.7 Standard Molar Entropy
Protactinium
64.80 J/mol.K
Rank: 17 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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