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Silver
Silver

Osmium
Osmium



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Osmium

Silver vs Osmium

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1 Periodic Table
1.1 Symbol
Ag
Os
1.2 Group Number
Tennessine
11
Rank: 7 (Overall)
8
Rank: 10 (Overall)
Gadolinium
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1.3 Period Number
Uranium
5
Rank: 3 (Overall)
6
Rank: 2 (Overall)
Lithium
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1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
Roentgenium
7440224
Rank: 58 (Overall)
7440042
Rank: 75 (Overall)
Aluminium
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1.7 Space Group Name
Fm_ 3m
P63/mmc
1.8 Space Group Number
Sodium
225.00
Rank: 2 (Overall)
194.00
Rank: 5 (Overall)
Plutonium
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2 Facts
2.1 Interesting Facts
  • It is the most reflective element.
  • Silver is the second most ductile metal after Gold.
  • It is also used in Dentistry as a dental alloys for clips and crowning.
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
2.2 Sources
Earth's crust, Found in Minerals, Ores of metals
Found As a By-product, Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Unknown
Smithson Tennant
2.3.2 Discovery
Before 5000 BC
In 1803
2.4 Abundance
2.4.1 Abundance In Universe
Iron
6 * 10-8 %
Rank: 26 (Overall)
3 * 10-7 %
Rank: 21 (Overall)
Thallium
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2.4.2 Abundance In Sun
Iron
~0.0000001 %
Rank: 26 (Overall)
~0.0000002 %
Rank: 25 (Overall)
Beryllium
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2.4.3 Abundance In Meteorites
Iron
0.00 %
Rank: 38 (Overall)
0.00 %
Rank: 28 (Overall)
Gold
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2.4.4 Abundance In Earth's Crust
Aluminium
0.00 %
Rank: 47 (Overall)
0.00 %
Rank: 53 (Overall)
Radium
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2.4.5 Abundance In Oceans
Sodium
0.00 %
Rank: 19 (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
  • Silver is mainly used for Jewelry and show piece.
  • It is used for manufacturing high quality mirrors due to its reflectivity property.
  • 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.
3.1.1 Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
Dentistry, Pharmaceutical Industry
NA
3.1.3 Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Highly Toxic
3.2.2 Present in Human Body
60% Transition Metals Metals have it !
60% Transition Metals Metals have it !
3.2.3 In Blood
Sodium
0.00 Blood/mg dm-3
Rank: 29 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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3.2.4 In Bone
Calcium
0.44 p.p.m.
Rank: 20 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
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4 Physical
4.1 Melting Point
Tungsten
961.93 °C
Rank: 47 (Overall)
3,045.00 °C
Rank: 3 (Overall)
Francium
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4.2 Boiling Point
Tungsten
2,212.00 °C
Rank: 49 (Overall)
5,027.00 °C
Rank: 6 (Overall)
Flerovium
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4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery White
Silvery Bluish-Gray
4.3.3 Luster
Metallic
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
Chromium
2.50
Rank: 14 (Overall)
7.00
Rank: 3 (Overall)
Cesium
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4.4.2 Brinell Hardness
Osmium
251.00 MPa
Rank: 37 (Overall)
3,490.00 MPa
Rank: 1 (Overall)
Cesium
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4.4.3 Vickers Hardness
Tungsten
229.00 MPa
Rank: 30 (Overall)
Not Available
Rank: N/A (Overall)
Palladium
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4.5 Speed of Sound
Technetium
2,680.00 m/s
Rank: 34 (Overall)
4,940.00 m/s
Rank: 11 (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
97.00 %
Rank: 1 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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4.7 Allotropes
6% 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
Ag
Os
5.2 Isotopes
5.2.1 Known Isotopes
Palladium
36
Rank: 3 (Overall)
35
Rank: 4 (Overall)
Tennessine
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold
1.93
Rank: 9 (Overall)
2.20
Rank: 4 (Overall)
Francium
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5.3.2 Sanderson Electronegativity
Cobalt
1.83
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.3 Allred Rochow Electronegativity
Gallium
1.42
Rank: 18 (Overall)
1.52
Rank: 12 (Overall)
Cesium
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5.3.4 Mulliken-Jaffe Electronegativity
Polonium
1.47
Rank: 15 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.5 Allen Electronegativity
Berkelium
1.87
Rank: 7 (Overall)
1.65
Rank: 19 (Overall)
Cesium
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium
2.07
Rank: 44 (Overall)
1.80
Rank: 49 (Overall)
Gold
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium
731.00 kJ/mol
Rank: 27 (Overall)
840.00 kJ/mol
Rank: 12 (Overall)
Cesium
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5.5.2 2nd Energy Level
Chromium
2,070.00 kJ/mol
Rank: 11 (Overall)
1,309.80 kJ/mol
Rank: 53 (Overall)
Ruthenium
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5.5.3 3rd Energy Level
Chromium
3,361.00 kJ/mol
Rank: 19 (Overall)
1,600.00 kJ/mol
Rank: 82 (Overall)
Osmium
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5.5.4 4th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (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
4.02 g/amp-hr
Rank: 7 (Overall)
1.77 g/amp-hr
Rank: 38 (Overall)
Beryllium
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5.7 Electron Work Function
Platinum
4.26 eV
Rank: 20 (Overall)
4.83 eV
Rank: 8 (Overall)
Cesium
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5.8 Other Chemical Properties
Chemical Stability, Ionization, Solubility
Chemical Stability, Ionization, Solubility
6 Atomic
6.1 Atomic Number
Tennessine
47
Rank: 65 (Overall)
76
Rank: 40 (Overall)
Lithium
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6.2 Electron Configuration
[Kr] 4d10 5s1
[Xe] 4f14 5d6 6s2
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
47
Rank: 64 (Overall)
76
Rank: 39 (Overall)
Lithium
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6.4.2 Number of Neutrons
Flerovium
61
Rank: 47 (Overall)
114
Rank: 25 (Overall)
Lithium
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6.4.3 Number of Electrons
Tennessine
47
Rank: 64 (Overall)
76
Rank: 39 (Overall)
Lithium
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium
144.00 pm
Rank: 36 (Overall)
133.80 pm
Rank: 44 (Overall)
Beryllium
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6.5.2 Covalent Radius
Francium
145.00 pm
Rank: 39 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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6.5.3 Van der Waals Radius
Francium
172.00 pm
Rank: 38 (Overall)
216.00 pm
Rank: 24 (Overall)
Zinc
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6.6 Atomic Weight
Tennessine
107.87 amu
Rank: 59 (Overall)
190.23 amu
Rank: 35 (Overall)
Lithium
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6.7 Atomic Volume
Cesium
10.30 cm3/mol
Rank: 47 (Overall)
8.49 cm3/mol
Rank: 58 (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
11.40 (-eV)
Rank: 62 (Overall)
91.40 (-eV)
Rank: 12 (Overall)
Francium
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6.10 Lattice Constant
Manganese
408.53 pm
Rank: 20 (Overall)
273.44 pm
Rank: 66 (Overall)
Beryllium
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6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
Cadmium
Not Available
Rank: N/A (Overall)
1.58
Rank: 14 (Overall)
Beryllium
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7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
Hassium
10.49 g/cm3
Rank: 35 (Overall)
22.59 g/cm3
Rank: 9 (Overall)
Lithium
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7.1.2 Density When Liquid (at m.p.)
Osmium
9.32 g/cm3
Rank: 21 (Overall)
20.00 g/cm3
Rank: 1 (Overall)
Lithium
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7.2 Tensile Strength
Iron
Not Available
Rank: N/A (Overall)
1,000.00 MPa
Rank: 4 (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
0.00 (Pa)
Rank: 14 (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)
0.00 (Pa)
Rank: 28 (Overall)
Tungsten
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7.5 Elasticity properties
7.5.1 Shear Modulus
Osmium
30.00 GPa
Rank: 23 (Overall)
222.00 GPa
Rank: 1 (Overall)
Potassium
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7.5.2 Bulk Modulus
Osmium
100.00 GPa
Rank: 16 (Overall)
462.00 GPa
Rank: 1 (Overall)
Cesium
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7.5.3 Young's Modulus
Iridium
83.00 GPa
Rank: 23 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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7.6 Poisson Ratio
Gallium
0.37
Rank: 7 (Overall)
0.25
Rank: 24 (Overall)
Beryllium
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7.7 Other Mechanical Properties
Ductile, Malleable
Ductile
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
Cobalt
10.50
Rank: 26 (Overall)
22.57
Rank: 2 (Overall)
Lithium
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8.1.2 Magnetic Ordering
Diamagnetic
Paramagnetic
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
0.00
Rank: 5 (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
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8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Conductor
8.2.2 Resistivity
Mercury
15.87 nΩ·m
Rank: 51 (Overall)
81.20 nΩ·m
Rank: 35 (Overall)
Thallium
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8.2.3 Electrical Conductivity
Silver
0.63 106/cm Ω
Rank: 1 (Overall)
0.11 106/cm Ω
Rank: 18 (Overall)
Plutonium
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8.2.4 Electron Affinity
Gold
125.60 kJ/mol
Rank: 5 (Overall)
106.10 kJ/mol
Rank: 9 (Overall)
Mercury
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9 Thermal
9.1 Specific Heat
Lithium
0.24 J/(kg K)
Rank: 25 (Overall)
0.13 J/(kg K)
Rank: 39 (Overall)
Americium
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9.2 Molar Heat Capacity
Americium
25.35 J/mol·K
Rank: 42 (Overall)
24.70 J/mol·K
Rank: 49 (Overall)
Beryllium
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9.3 Thermal Conductivity
Silver
429.00 W/m·K
Rank: 1 (Overall)
87.60 W/m·K
Rank: 19 (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
18.90 µm/(m·K)
Rank: 23 (Overall)
5.10 µm/(m·K)
Rank: 56 (Overall)
Tungsten
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9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
Tungsten
255.10 kJ/mol
Rank: 37 (Overall)
627.60 kJ/mol
Rank: 7 (Overall)
Zinc
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9.6.2 Enthalpy of Fusion
Tungsten
11.30 kJ/mol
Rank: 31 (Overall)
29.30 kJ/mol
Rank: 4 (Overall)
Cesium
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9.6.3 Enthalpy of Atomization
Tungsten
284.50 kJ/mol
Rank: 37 (Overall)
669.00 kJ/mol
Rank: 6 (Overall)
Mercury
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9.7 Standard Molar Entropy
Protactinium
42.60 J/mol.K
Rank: 35 (Overall)
32.60 J/mol.K
Rank: 47 (Overall)
Beryllium
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