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Osmium
Osmium

Gold
Gold



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Osmium
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Osmium vs Gold

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1 Periodic Table
1.1 Symbol
Os
Au
1.2 Group Number
Tennessine
8
Rank: 10 (Overall)
11
Rank: 7 (Overall)
Gadolinium
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1.5 Period Number
Uranium
6
Rank: 2 (Overall)
6
Rank: 2 (Overall)
Lithium
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1.6 Block
d block
d block
1.7 Element Family
Transition Metal
Transition Metal
1.8 CAS Number
Roentgenium
7440042
Rank: 75 (Overall)
7440575
Rank: 31 (Overall)
Aluminium
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1.9 Space Group Name
P63/mmc
Fm_ 3m
1.10 Space Group Number
Sodium
194.00
Rank: 5 (Overall)
225.00
Rank: 2 (Overall)
Plutonium
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2 Facts
2.1 Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  • It is found in copper ores and from the crust of the earth.
  • It is the most malleable and ductile metal.
  • Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
2.2 Sources
Found As a By-product, Found in Minerals, Mining
Earth's crust, Mining, Ores of metals
2.3 History
2.3.1 Who Discovered
Smithson Tennant
Unknown
2.3.2 Discovery
In 1803
Before 6000 BCE
2.4 Abundance
2.4.1 Abundance In Universe
Iron
3 * 10-7 %
Rank: 21 (Overall)
6 * 10-8 %
Rank: 26 (Overall)
Thallium
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2.5.2 Abundance In Sun
Iron
~0.0000002 %
Rank: 25 (Overall)
~0.0000001 %
Rank: 26 (Overall)
Beryllium
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2.5.3 Abundance In Meteorites
Iron
0.00 %
Rank: 28 (Overall)
0.00 %
Rank: 52 (Overall)
Gold
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2.5.5 Abundance In Earth's Crust
Aluminium
0.00 %
Rank: 53 (Overall)
0.00 %
Rank: 50 (Overall)
Radium
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3.2.2 Abundance In Oceans
Sodium
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 21 (Overall)
Protactinium
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3.3.2 Abundance In Humans
Calcium
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 18 (Overall)
Radium
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4 Uses
4.1 Uses & Benefits
  • Its has very limited uses and its alloys are very hard and are used in the manufacturing of pen tips, pivots, needles and electrical contacts.
  • It is also used as industrial catalyst to speed up the chemical reaction.
  • Gold metal is mainly used for Jewelry, bullion, coinage, etc.
  • It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
4.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry
4.1.2 Medical Uses
NA
Dentistry, Pharmaceutical Industry
4.1.3 Other Uses
Alloys
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
4.2 Biological Properties
4.2.1 Toxicity
Highly Toxic
Non Toxic
4.2.2 Present in Human Body
60% Transition Metals Metals have it !
60% Transition Metals Metals have it !
4.2.3 In Blood
Sodium
Not Available
Rank: N/A (Overall)
0.00 Blood/mg dm-3
Rank: 35 (Overall)
Plutonium
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4.2.5 In Bone
Calcium
Not Available
Rank: N/A (Overall)
0.02 p.p.m.
Rank: 30 (Overall)
Plutonium
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5 Physical
5.1 Melting Point
Tungsten
3,045.00 °C
Rank: 3 (Overall)
1,064.43 °C
Rank: 42 (Overall)
Francium
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5.2 Boiling Point
Tungsten
5,027.00 °C
Rank: 6 (Overall)
2,807.00 °C
Rank: 36 (Overall)
Flerovium
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5.4 Appearance
5.4.1 Physical State
Solid
Solid
5.4.2 Color
Silvery Bluish-Gray
Gold
5.4.3 Luster
Metallic
Metallic
5.5 Hardness
5.5.1 Mohs Hardness
Chromium
7.00
Rank: 3 (Overall)
2.50
Rank: 14 (Overall)
Cesium
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5.6.2 Brinell Hardness
Osmium
3,490.00 MPa
Rank: 1 (Overall)
194.00 MPa
Rank: 42 (Overall)
Cesium
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5.6.4 Vickers Hardness
Tungsten
Not Available
Rank: N/A (Overall)
216.00 MPa
Rank: 31 (Overall)
Palladium
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5.7 Speed of Sound
Technetium
4,940.00 m/s
Rank: 11 (Overall)
2,030.00 m/s
Rank: 44 (Overall)
Thallium
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5.8 Optical Properties
5.8.1 Refractive Index
Palladium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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5.8.3 Reflectivity
Silver
Not Available
Rank: N/A (Overall)
95.00 %
Rank: 2 (Overall)
Molybdenum
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5.9 Allotropes
6% Transition Metals Metals have it !
6% Transition Metals Metals have it !
5.9.1 α Allotropes
Not Available
Not Available
5.9.2 β Allotropes
Not Available
Not Available
5.9.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
Os
Au
6.2 Isotopes
6.2.1 Known Isotopes
Palladium
35
Rank: 4 (Overall)
36
Rank: 3 (Overall)
Tennessine
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6.3 Electronegativity
6.3.1 Pauling Electronegativity
Gold
2.20
Rank: 4 (Overall)
2.54
Rank: 1 (Overall)
Francium
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6.3.2 Sanderson Electronegativity
Cobalt
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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6.3.4 Allred Rochow Electronegativity
Gallium
1.52
Rank: 12 (Overall)
1.42
Rank: 18 (Overall)
Cesium
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6.3.6 Mulliken-Jaffe Electronegativity
Polonium
Not Available
Rank: N/A (Overall)
1.87
Rank: 7 (Overall)
Cesium
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6.3.8 Allen Electronegativity
Berkelium
1.65
Rank: 19 (Overall)
1.92
Rank: 5 (Overall)
Cesium
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6.4 Electropositivity
6.4.1 Pauling Electropositivity
Francium
1.80
Rank: 49 (Overall)
1.46
Rank: 53 (Overall)
Gold
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6.5 Ionization Energies
6.5.1 1st Energy Level
Chromium
840.00 kJ/mol
Rank: 12 (Overall)
890.10 kJ/mol
Rank: 8 (Overall)
Cesium
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6.5.3 2nd Energy Level
Chromium
1,309.80 kJ/mol
Rank: 53 (Overall)
1,980.00 kJ/mol
Rank: 12 (Overall)
Ruthenium
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6.5.5 3rd Energy Level
Chromium
1,600.00 kJ/mol
Rank: 82 (Overall)
Not Available
Rank: N/A (Overall)
Osmium
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6.5.7 4th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Thorium
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6.5.9 5th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Dubnium
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6.5.10 6th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Seaborgium
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6.5.12 7th Energy level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bohrium
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6.5.14 8th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Hassium
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6.5.16 9th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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6.5.18 10th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Strontium
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6.5.19 11th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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6.5.21 12th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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6.5.23 13th Energy Level
Titanium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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6.5.25 14th Energy Level
Vanadium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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6.5.27 15th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Manganese
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6.5.28 16th Energy Level
Manganese
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Iron
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6.5.30 17th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cobalt
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6.5.32 18th Energy Level
Cobalt
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Nickel
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6.5.35 19th Energy Level
Nickel
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Copper
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6.5.38 20th Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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6.5.40 21st Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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6.6.1 22nd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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6.7.1 23rd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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6.8.1 24th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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7.1.1 25th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
7.4.2 26th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
7.4.3 27th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
7.4.5 28th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
7.4.6 29th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
7.4.8 30th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
7.5 Electrochemical Equivalent
Francium
1.77 g/amp-hr
Rank: 38 (Overall)
2.45 g/amp-hr
Rank: 21 (Overall)
Beryllium
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7.7 Electron Work Function
Platinum
4.83 eV
Rank: 8 (Overall)
5.10 eV
Rank: 4 (Overall)
Cesium
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7.8 Other Chemical Properties
Chemical Stability, Ionization, Solubility
Chemical Stability, Ionization, Solubility
8 Atomic
8.1 Atomic Number
Tennessine
76
Rank: 40 (Overall)
79
Rank: 37 (Overall)
Lithium
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8.2 Electron Configuration
[Xe] 4f14 5d6 6s2
[Xe] 4f14 5d10 6s1
8.3 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
8.3.1 Crystal Lattice
8.4 Atom
8.4.1 Number of Protons
Tennessine
76
Rank: 39 (Overall)
79
Rank: 37 (Overall)
Lithium
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8.4.2 Number of Neutrons
Flerovium
114
Rank: 25 (Overall)
118
Rank: 23 (Overall)
Lithium
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8.5.1 Number of Electrons
Tennessine
76
Rank: 39 (Overall)
79
Rank: 37 (Overall)
Lithium
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8.7 Radius of an Atom
8.7.1 Atomic Radius
Cesium
133.80 pm
Rank: 44 (Overall)
151.00 pm
Rank: 32 (Overall)
Beryllium
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8.9.1 Covalent Radius
Francium
Not Available
Rank: N/A (Overall)
144.00 pm
Rank: 40 (Overall)
Beryllium
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8.10.1 Van der Waals Radius
Francium
216.00 pm
Rank: 24 (Overall)
166.00 pm
Rank: 39 (Overall)
Zinc
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8.13 Atomic Weight
Tennessine
190.23 amu
Rank: 35 (Overall)
196.97 amu
Rank: 33 (Overall)
Lithium
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8.14 Atomic Volume
Cesium
8.49 cm3/mol
Rank: 58 (Overall)
10.20 cm3/mol
Rank: 48 (Overall)
Manganese
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9.2 Adjacent Atomic Numbers
9.2.1 Previous Element
9.2.2 Next Element
9.3 Valence Electron Potential
Platinum
91.40 (-eV)
Rank: 12 (Overall)
43.40 (-eV)
Rank: 41 (Overall)
Francium
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9.4 Lattice Constant
Manganese
273.44 pm
Rank: 66 (Overall)
407.82 pm
Rank: 21 (Overall)
Beryllium
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9.6 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
9.7 Lattice C/A Ratio
Cadmium
1.58
Rank: 14 (Overall)
1.61
Rank: 4 (Overall)
Beryllium
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10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
Hassium
22.59 g/cm3
Rank: 9 (Overall)
19.30 g/cm3
Rank: 15 (Overall)
Lithium
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10.2.2 Density When Liquid (at m.p.)
Osmium
20.00 g/cm3
Rank: 1 (Overall)
17.31 g/cm3
Rank: 6 (Overall)
Lithium
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10.3 Tensile Strength
Iron
1,000.00 MPa
Rank: 4 (Overall)
120.00 MPa
Rank: 15 (Overall)
Indium
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10.5 Viscosity
Mercury
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
10.6 Vapor Pressure
10.6.1 Vapor Pressure at 1000 K
Strontium
Not Available
Rank: N/A (Overall)
0.00 (Pa)
Rank: 23 (Overall)
Cerium
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10.6.3 Vapor Pressure at 2000 K
Chromium
0.00 (Pa)
Rank: 28 (Overall)
67.00 (Pa)
Rank: 4 (Overall)
Tungsten
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10.7 Elasticity properties
10.7.1 Shear Modulus
Osmium
222.00 GPa
Rank: 1 (Overall)
27.00 GPa
Rank: 27 (Overall)
Potassium
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10.8.1 Bulk Modulus
Osmium
462.00 GPa
Rank: 1 (Overall)
180.00 GPa
Rank: 9 (Overall)
Cesium
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10.8.2 Young's Modulus
Iridium
Not Available
Rank: N/A (Overall)
79.00 GPa
Rank: 24 (Overall)
Cesium
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11.2 Poisson Ratio
Gallium
0.25
Rank: 24 (Overall)
0.40
Rank: 4 (Overall)
Beryllium
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11.3 Other Mechanical Properties
Ductile
Ductile, Malleable
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
Cobalt
22.57
Rank: 2 (Overall)
19.32
Rank: 8 (Overall)
Lithium
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12.1.3 Magnetic Ordering
Paramagnetic
Diamagnetic
12.1.4 Permeability
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
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12.2.3 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
Conductor
Conductor
12.3.2 Resistivity
Mercury
81.20 nΩ·m
Rank: 35 (Overall)
2.20 nΩ·m
Rank: 53 (Overall)
Thallium
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12.3.3 Electrical Conductivity
Silver
0.11 106/cm Ω
Rank: 18 (Overall)
0.45 106/cm Ω
Rank: 3 (Overall)
Plutonium
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12.3.5 Electron Affinity
Gold
106.10 kJ/mol
Rank: 9 (Overall)
222.80 kJ/mol
Rank: 1 (Overall)
Mercury
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14 Thermal
14.1 Specific Heat
Lithium
0.13 J/(kg K)
Rank: 39 (Overall)
0.13 J/(kg K)
Rank: 39 (Overall)
Americium
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14.3 Molar Heat Capacity
Americium
24.70 J/mol·K
Rank: 49 (Overall)
25.42 J/mol·K
Rank: 40 (Overall)
Beryllium
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14.5 Thermal Conductivity
Silver
87.60 W/m·K
Rank: 19 (Overall)
318.00 W/m·K
Rank: 3 (Overall)
Neptunium
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14.7 Critical Temperature
Lithium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium
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14.9 Thermal Expansion
Cesium
5.10 µm/(m·K)
Rank: 56 (Overall)
14.20 µm/(m·K)
Rank: 26 (Overall)
Tungsten
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14.10 Enthalpy
14.10.1 Enthalpy of Vaporization
Tungsten
627.60 kJ/mol
Rank: 7 (Overall)
324.40 kJ/mol
Rank: 27 (Overall)
Zinc
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14.11.2 Enthalpy of Fusion
Tungsten
29.30 kJ/mol
Rank: 4 (Overall)
12.55 kJ/mol
Rank: 27 (Overall)
Cesium
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14.11.4 Enthalpy of Atomization
Tungsten
669.00 kJ/mol
Rank: 6 (Overall)
364.00 kJ/mol
Rank: 25 (Overall)
Mercury
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14.12 Standard Molar Entropy
Protactinium
32.60 J/mol.K
Rank: 47 (Overall)
47.40 J/mol.K
Rank: 32 (Overall)
Beryllium
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