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Cobalt
Cobalt

Barium
Barium



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Cobalt
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Cobalt vs Barium

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1 Periodic Table
1.1 Symbol
Co
Ba
1.2 Group Number
Tennessine
9
Rank: 9 (Overall)
2
Rank: 16 (Overall)
Gadolinium
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1.3 Period Number
Uranium
4
Rank: 4 (Overall)
6
Rank: 2 (Overall)
Lithium
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2.2 Block
d block
s block
2.3 Element Family
Transition Metal
Alkaline Earth
2.4 CAS Number
Roentgenium
7440484
Rank: 38 (Overall)
7440393
Rank: 45 (Overall)
Aluminium
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2.6 Space Group Name
P63/mmc
Im_ 3m
2.7 Space Group Number
Sodium
194.00
Rank: 5 (Overall)
229.00
Rank: 1 (Overall)
Plutonium
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3 Facts
3.1 Interesting Facts
  • The main source of Cobalt is as a by-product of copper and nickel metal mining.
  • Cobalt metal can be obtained from other elements like Oxygen, Sulfur and Arsenic.
  • It s also used in electroplating process as it exhibits anti cession properties.
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
3.2 Sources
Found in Compounds, Mining, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Georg Brandt
Carl Wilhelm Scheele
3.3.2 Discovery
In 1732
In 1772
3.4 Abundance
3.4.1 Abundance In Universe
Iron
3 * 10-4 %
Rank: 9 (Overall)
1 * 10-6 %
Rank: 16 (Overall)
Thallium
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3.4.2 Abundance In Sun
Iron
~0.0004 %
Rank: 9 (Overall)
~0.000001 %
Rank: 18 (Overall)
Beryllium
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4.1.1 Abundance In Meteorites
Iron
0.06 %
Rank: 10 (Overall)
0.00 %
Rank: 20 (Overall)
Gold
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4.2.1 Abundance In Earth's Crust
Aluminium
0.00 %
Rank: 21 (Overall)
0.03 %
Rank: 11 (Overall)
Radium
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4.2.2 Abundance In Oceans
Sodium
0.00 %
Rank: 20 (Overall)
0.00 %
Rank: 8 (Overall)
Protactinium
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4.4.2 Abundance In Humans
Calcium
0.00 %
Rank: 17 (Overall)
0.00 %
Rank: 12 (Overall)
Radium
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5 Uses
5.1 Uses & Benefits
  • Its alloys with aluminum and nickel are used to make powerful magnets.
  • Few other alloys exhibit high-temperature strength and hence they are used in Turbines of Jet and Gas engine.
  • It is sued in chemical paint manufacturing and glass manufacturing.
  • Compounds of this metal are toxic; but still the barium sulfate is insoluble and given to patients suffering from digestive disorder.
5.1.1 Industrial Uses
Chemical Industry, Electrical Industry, Electronic Industry
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
5.1.2 Medical Uses
Pharmaceutical Industry
NA
5.1.3 Other Uses
Alloys
Alloys
5.2 Biological Properties
5.2.1 Toxicity
Toxic
Low Toxic
5.2.3 Present in Human Body
60% Transition Metals Metals have it !
83% Alkaline Earth Metals Metals have it !
5.2.4 In Blood
Sodium
0.04 Blood/mg dm-3
Rank: 18 (Overall)
0.07 Blood/mg dm-3
Rank: 15 (Overall)
Plutonium
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5.2.5 In Bone
Calcium
0.04 p.p.m.
Rank: 27 (Overall)
70.00 p.p.m.
Rank: 9 (Overall)
Plutonium
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6 Physical
6.1 Melting Point
Tungsten
1,495.00 °C
Rank: 29 (Overall)
725.00 °C
Rank: 58 (Overall)
Francium
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6.3 Boiling Point
Tungsten
2,870.00 °C
Rank: 34 (Overall)
1,140.00 °C
Rank: 64 (Overall)
Flerovium
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6.4 Appearance
6.4.1 Physical State
Solid
Solid
6.4.2 Color
Gray
Silvery Gray
6.4.3 Luster
Metallic
NA
6.5 Hardness
6.5.1 Mohs Hardness
Chromium
5.00
Rank: 8 (Overall)
1.25
Rank: 19 (Overall)
Cesium
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6.6.2 Brinell Hardness
Osmium
470.00 MPa
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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6.6.4 Vickers Hardness
Tungsten
1,043.00 MPa
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Palladium
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6.7 Speed of Sound
Technetium
4,720.00 m/s
Rank: 14 (Overall)
1,620.00 m/s
Rank: 47 (Overall)
Thallium
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7.3 Optical Properties
7.3.1 Refractive Index
Palladium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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7.3.2 Reflectivity
Silver
67.00 %
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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7.5 Allotropes
6% Transition Metals Metals have it !
No Alkaline Earth Metals Metals has it !
7.5.1 α Allotropes
α-Cobalt
Not Available
7.5.2 β Allotropes
β-Cobalt
Not Available
7.5.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
Co
Ba
8.2 Isotopes
8.2.1 Known Isotopes
Palladium
26
Rank: 13 (Overall)
37
Rank: 2 (Overall)
Tennessine
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8.3 Electronegativity
8.3.1 Pauling Electronegativity
Gold
1.88
Rank: 12 (Overall)
0.89
Rank: 50 (Overall)
Francium
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8.3.3 Sanderson Electronegativity
Cobalt
2.56
Rank: 1 (Overall)
0.68
Rank: 28 (Overall)
Cesium
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8.3.5 Allred Rochow Electronegativity
Gallium
1.70
Rank: 5 (Overall)
0.97
Rank: 38 (Overall)
Cesium
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8.3.6 Mulliken-Jaffe Electronegativity
Polonium
Not Available
Rank: N/A (Overall)
0.88
Rank: 22 (Overall)
Cesium
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8.3.8 Allen Electronegativity
Berkelium
1.84
Rank: 10 (Overall)
0.88
Rank: 43 (Overall)
Cesium
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8.5 Electropositivity
8.5.1 Pauling Electropositivity
Francium
2.12
Rank: 41 (Overall)
3.11
Rank: 4 (Overall)
Gold
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8.6 Ionization Energies
8.6.1 1st Energy Level
Chromium
760.40 kJ/mol
Rank: 19 (Overall)
502.90 kJ/mol
Rank: 83 (Overall)
Cesium
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8.7.2 2nd Energy Level
Chromium
1,648.00 kJ/mol
Rank: 31 (Overall)
965.20 kJ/mol
Rank: 82 (Overall)
Ruthenium
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8.7.4 3rd Energy Level
Chromium
3,232.00 kJ/mol
Rank: 22 (Overall)
3,600.00 kJ/mol
Rank: 14 (Overall)
Osmium
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8.7.5 4th Energy Level
Chromium
4,950.00 kJ/mol
Rank: 19 (Overall)
Not Available
Rank: N/A (Overall)
Thorium
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8.7.7 5th Energy Level
Chromium
7,670.00 kJ/mol
Rank: 12 (Overall)
Not Available
Rank: N/A (Overall)
Dubnium
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8.7.8 6th Energy Level
Chromium
9,840.00 kJ/mol
Rank: 12 (Overall)
Not Available
Rank: N/A (Overall)
Seaborgium
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8.7.10 7th Energy level
Chromium
12,440.00 kJ/mol
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Bohrium
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8.7.12 8th Energy Level
Chromium
15,230.00 kJ/mol
Rank: 12 (Overall)
Not Available
Rank: N/A (Overall)
Hassium
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8.7.13 9th Energy Level
Chromium
17,959.00 kJ/mol
Rank: 13 (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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8.7.15 10th Energy Level
Chromium
26,570.00 kJ/mol
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Strontium
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8.7.17 11th Energy Level
Magnesium
29,400.00 kJ/mol
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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8.7.18 12th Energy Level
Magnesium
32,400.00 kJ/mol
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.7.20 13th Energy Level
Titanium
36,600.00 kJ/mol
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.7.22 14th Energy Level
Vanadium
39,700.00 kJ/mol
Rank: 9 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.7.24 15th Energy Level
Chromium
42,800.00 kJ/mol
Rank: 12 (Overall)
Not Available
Rank: N/A (Overall)
Manganese
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8.7.25 16th Energy Level
Manganese
49,396.00 kJ/mol
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Iron
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8.7.27 17th Energy Level
Iron
52,737.00 kJ/mol
Rank: 13 (Overall)
Not Available
Rank: N/A (Overall)
Cobalt
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8.7.28 18th Energy Level
Cobalt
134,810.00 kJ/mol
Rank: 1 (Overall)
Not Available
Rank: N/A (Overall)
Nickel
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8.7.30 19th Energy Level
Nickel
145,170.00 kJ/mol
Rank: 2 (Overall)
Not Available
Rank: N/A (Overall)
Copper
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8.7.32 20th Energy Level
Zinc
154,700.00 kJ/mol
Rank: 4 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.7.34 21st Energy Level
Zinc
167,400.00 kJ/mol
Rank: 4 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.7.35 22nd Energy Level
Copper
178,100.00 kJ/mol
Rank: 3 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.7.37 23rd Energy Level
Copper
189,300.00 kJ/mol
Rank: 3 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.7.39 24th Energy Level
Iron
Not Available
Rank: 100 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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8.7.40 25th Energy Level
Molybdenum
Not Available
Rank: 100 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
8.7.42 26th Energy Level
Molybdenum
Not Available
Rank: 100 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
8.7.43 27th Energy Level
Molybdenum
Not Available
Rank: 100 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
8.7.45 28th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
8.7.46 29th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
8.7.47 30th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
8.8 Electrochemical Equivalent
Francium
1.10 g/amp-hr
Rank: 57 (Overall)
2.56 g/amp-hr
Rank: 20 (Overall)
Beryllium
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8.9 Electron Work Function
Platinum
5.00 eV
Rank: 5 (Overall)
2.70 eV
Rank: 41 (Overall)
Cesium
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8.10 Other Chemical Properties
Chemical Stability, Ionization
Ionization, Radioactive Isotopes, Radioactivity, Solubility
9 Atomic
9.1 Atomic Number
Tennessine
22
Rank: 84 (Overall)
56
Rank: 60 (Overall)
Lithium
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9.2 Electron Configuration
[Ar] 3d2 4s2
[Xe] 6s2
9.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
Tennessine
22
Rank: 83 (Overall)
56
Rank: 59 (Overall)
Lithium
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9.4.2 Number of Neutrons
Flerovium
26
Rank: 62 (Overall)
81
Rank: 42 (Overall)
Lithium
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9.4.4 Number of Electrons
Tennessine
22
Rank: 83 (Overall)
56
Rank: 59 (Overall)
Lithium
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9.5 Radius of an Atom
9.5.1 Atomic Radius
Cesium
147.00 pm
Rank: 34 (Overall)
222.00 pm
Rank: 4 (Overall)
Beryllium
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9.5.2 Covalent Radius
Francium
160.00 pm
Rank: 30 (Overall)
215.00 pm
Rank: 5 (Overall)
Beryllium
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9.5.4 Van der Waals Radius
Francium
200.00 pm
Rank: 28 (Overall)
268.00 pm
Rank: 6 (Overall)
Zinc
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9.6 Atomic Weight
Tennessine
47.87 amu
Rank: 78 (Overall)
137.33 amu
Rank: 54 (Overall)
Lithium
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9.7 Atomic Volume
Cesium
10.64 cm3/mol
Rank: 46 (Overall)
39.24 cm3/mol
Rank: 5 (Overall)
Manganese
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9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
Platinum
95.20 (-eV)
Rank: 10 (Overall)
21.30 (-eV)
Rank: 58 (Overall)
Francium
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9.10 Lattice Constant
Manganese
295.08 pm
Rank: 61 (Overall)
502.80 pm
Rank: 15 (Overall)
Beryllium
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9.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
9.12 Lattice C/A Ratio
Cadmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
Hassium
4.51 g/cm3
Rank: 70 (Overall)
3.51 g/cm3
Rank: 72 (Overall)
Lithium
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10.2.1 Density When Liquid (at m.p.)
Osmium
4.11 g/cm3
Rank: 49 (Overall)
3.34 g/cm3
Rank: 50 (Overall)
Lithium
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10.4 Tensile Strength
Iron
434.00 MPa
Rank: 9 (Overall)
Not Available
Rank: N/A (Overall)
Indium
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10.5 Viscosity
Mercury
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
11.2 Vapor Pressure
11.2.1 Vapor Pressure at 1000 K
Strontium
Not Available
Rank: N/A (Overall)
7.11 (Pa)
Rank: 6 (Overall)
Cerium
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11.2.2 Vapor Pressure at 2000 K
Chromium
0.98 (Pa)
Rank: 14 (Overall)
Not Available
Rank: N/A (Overall)
Tungsten
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11.6 Elasticity properties
11.6.1 Shear Modulus
Osmium
44.00 GPa
Rank: 17 (Overall)
4.90 GPa
Rank: 48 (Overall)
Potassium
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11.6.2 Bulk Modulus
Osmium
110.00 GPa
Rank: 15 (Overall)
9.60 GPa
Rank: 45 (Overall)
Cesium
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11.6.4 Young's Modulus
Iridium
116.00 GPa
Rank: 18 (Overall)
13.00 GPa
Rank: 50 (Overall)
Cesium
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11.7 Poisson Ratio
Gallium
0.32
Rank: 12 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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11.8 Other Mechanical Properties
Ductile
NA
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
Cobalt
4,500.00
Rank: 1 (Overall)
3.62
Rank: 60 (Overall)
Lithium
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12.2.2 Magnetic Ordering
Paramagnetic
Paramagnetic
12.2.3 Permeability
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
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12.2.4 Susceptibility
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
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12.3 Electrical Properties
12.3.1 Electrical Property
Poor Conductor
Superconductor
12.3.2 Resistivity
Mercury
420.00 nΩ·m
Rank: 12 (Overall)
332.00 nΩ·m
Rank: 13 (Overall)
Thallium
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12.3.4 Electrical Conductivity
Silver
0.02 106/cm Ω
Rank: 42 (Overall)
0.03 106/cm Ω
Rank: 40 (Overall)
Plutonium
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12.4.1 Electron Affinity
Gold
7.60 kJ/mol
Rank: 37 (Overall)
13.95 kJ/mol
Rank: 36 (Overall)
Mercury
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13 Thermal
13.1 Specific Heat
Lithium
0.52 J/(kg K)
Rank: 9 (Overall)
0.20 J/(kg K)
Rank: 30 (Overall)
Americium
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13.3 Molar Heat Capacity
Americium
25.06 J/mol·K
Rank: 44 (Overall)
28.07 J/mol·K
Rank: 12 (Overall)
Beryllium
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13.6 Thermal Conductivity
Silver
21.90 W/m·K
Rank: 43 (Overall)
18.40 W/m·K
Rank: 46 (Overall)
Neptunium
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13.7 Critical Temperature
Lithium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium
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13.9 Thermal Expansion
Cesium
8.60 µm/(m·K)
Rank: 45 (Overall)
20.60 µm/(m·K)
Rank: 22 (Overall)
Tungsten
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13.12 Enthalpy
13.12.1 Enthalpy of Vaporization
Tungsten
429.00 kJ/mol
Rank: 15 (Overall)
140.00 kJ/mol
Rank: 49 (Overall)
Zinc
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13.12.2 Enthalpy of Fusion
Tungsten
15.48 kJ/mol
Rank: 19 (Overall)
7.66 kJ/mol
Rank: 42 (Overall)
Cesium
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14.1.2 Enthalpy of Atomization
Tungsten
468.60 kJ/mol
Rank: 15 (Overall)
175.70 kJ/mol
Rank: 49 (Overall)
Mercury
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14.2 Standard Molar Entropy
Protactinium
27.30 J/mol.K
Rank: 56 (Overall)
62.50 J/mol.K
Rank: 20 (Overall)
Beryllium
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