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Scandium
Scandium

Tantalum
Tantalum



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Scandium
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Tantalum

Scandium Tantalum Comparison

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1 Periodic Table
1.1 Symbol
Sc
Ta
1.2 Group Number
Tennessine Metal
3
Rank: 15 (Overall)
5
Rank: 13 (Overall)
Gadolinium Metal
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1.3 Period Number
Uranium Metal
4
Rank: 4 (Overall)
6
Rank: 2 (Overall)
Lithium Metal
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1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
Roentgenium Met..
7440202
Rank: 59 (Overall)
7440257
Rank: 55 (Overall)
Aluminium Metal
1.7 Space Group Name
P63/mmc
Im_ 3m
1.8 Space Group Number
Sodium Metal
194.00
Rank: 5 (Overall)
229.00
Rank: 1 (Overall)
Plutonium Metal
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2 Facts
2.1 Interesting Facts
  • Scandium is known as one of the rare earth elements.
  • Scandium metal found in rare minerals called Wolframite .
  • Tantalum metal is known as corrosion resistance.
  • Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
2.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Lars Fredrik Nilson
Anders Gustaf Ekeberg
2.3.2 Discovery
In 1879
In 1802
2.4 Abundance
2.4.1 Abundance In Universe
Iron Metal
3 * 10-6 %
Rank: 15 (Overall)
8 * 10-9 %
Rank: 31 (Overall)
Thallium Metal
1.1.1 Abundance In Sun
Iron Metal
~0.000004 %
Rank: 16 (Overall)
~-9999 %
Rank: N/A (Overall)
Beryllium Metal
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1.2.1 Abundance In Meteorites
Iron Metal
0.00 %
Rank: 18 (Overall)
0.00 %
Rank: 49 (Overall)
Gold Metal
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1.3.2 Abundance In Earth's Crust
Aluminium Metal
0.00 %
Rank: 23 (Overall)
0.00 %
Rank: 37 (Overall)
Radium Metal
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1.3.4 Abundance In Oceans
Sodium Metal
0.00 %
Rank: 32 (Overall)
0.00 %
Rank: 31 (Overall)
Protactinium Metal
1.3.6 Abundance In Humans
Calcium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Radium Metal
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2 Uses
2.1 Uses & Benefits
  • Uses of Scandium are limited to research purpose only. However, it has very low density and higher melting point.
  • Its compounds like scandium iodide is used in mercury vapor lamps to produce very bright white light.
  • Tantalum metal is mainly used in the manufacturing of electron components. Its Oxide layer acts as an insulator.
  • Tantalum metal is also used in surgical transplant like replacement of bone, skull plates and as a woven gauze.
2.2.2 Industrial Uses
Electrical Industry, Electronic Industry
Electrical Industry, Electronic Industry
2.2.3 Medical Uses
NA
NA
2.2.4 Other Uses
Alloys
Alloys
2.3 Biological Properties
2.3.1 Toxicity
Non Toxic
Low Toxic
2.3.2 Present in Human Body
60% Transition Metals Metals have it !
60% Transition Metals Metals have it !
2.3.3 In Blood
Sodium Metal
0.01 Blood/mg dm-3
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium Metal
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2.3.4 In Bone
Calcium Metal
0.00 p.p.m.
Rank: 34 (Overall)
0.03 p.p.m.
Rank: 28 (Overall)
Plutonium Metal
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3 Physical
3.1 Melting Point
Tungsten Metal
1,539.00 °C
Rank: 24 (Overall)
2,996.00 °C
Rank: 4 (Overall)
Francium Metal
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3.3 Boiling Point
Tungsten Metal
2,832.00 °C
Rank: 35 (Overall)
5,425.00 °C
Rank: 4 (Overall)
Flerovium Metal
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4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery White
Gray Blue
4.3.3 Luster
Lustrous
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
Chromium Metal
Not Available
Rank: N/A (Overall)
6.50
Rank: 5 (Overall)
Cesium Metal
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4.5.2 Brinell Hardness
Osmium Metal
750.00 MPa
Rank: 12 (Overall)
440.00 MPa
Rank: 28 (Overall)
Cesium Metal
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4.5.4 Vickers Hardness
Tungsten Metal
Not Available
Rank: N/A (Overall)
870.00 MPa
Rank: 12 (Overall)
Palladium Metal
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4.6 Speed of Sound
Technetium Metal
Not Available
Rank: N/A (Overall)
3,400.00 m/s
Rank: 22 (Overall)
Thallium Metal
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4.7 Optical Properties
4.7.1 Refractive Index
Palladium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury Metal
4.7.3 Reflectivity
Silver Metal
Not Available
Rank: N/A (Overall)
78.00 %
Rank: 6 (Overall)
Molybdenum Metal
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4.8 Allotropes
6% Transition Metals Metals have it !
6% Transition Metals Metals have it !
4.8.1 α Allotropes
Not Available
Not Available
4.8.2 β Allotropes
Not Available
Not Available
4.8.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Sc
Ta
5.2 Isotopes
5.2.1 Known Isotopes
Palladium Metal
13
Rank: 26 (Overall)
31
Rank: 8 (Overall)
Tennessine Metal
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5.4 Electronegativity
5.4.1 Pauling Electronegativity
Gold Metal
1.36
Rank: 29 (Overall)
1.50
Rank: 27 (Overall)
Francium Metal
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5.4.2 Sanderson Electronegativity
Cobalt Metal
1.02
Rank: 21 (Overall)
Not Available
Rank: N/A (Overall)
Cesium Metal
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5.5.2 Allred Rochow Electronegativity
Gallium Metal
1.20
Rank: 27 (Overall)
1.33
Rank: 22 (Overall)
Cesium Metal
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5.5.4 Mulliken-Jaffe Electronegativity
Polonium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium Metal
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5.5.6 Allen Electronegativity
Berkelium Metal
1.19
Rank: 36 (Overall)
1.34
Rank: 33 (Overall)
Cesium Metal
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5.7 Electropositivity
5.7.1 Pauling Electropositivity
Francium Metal
2.64
Rank: 25 (Overall)
2.50
Rank: 27 (Overall)
Gold Metal
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5.9 Ionization Energies
5.9.1 1st Energy Level
Chromium Metal
633.10 kJ/mol
Rank: 46 (Overall)
761.00 kJ/mol
Rank: 18 (Overall)
Cesium Metal
5.9.2 2nd Energy Level
Chromium Metal
1,235.00 kJ/mol
Rank: 57 (Overall)
1,500.00 kJ/mol
Rank: 40 (Overall)
Ruthenium Metal
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6.1.2 3rd Energy Level
Chromium Metal
2,388.60 kJ/mol
Rank: 52 (Overall)
Not Available
Rank: N/A (Overall)
Osmium Metal
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6.1.4 4th Energy Level
Chromium Metal
7,090.60 kJ/mol
Rank: 6 (Overall)
Not Available
Rank: N/A (Overall)
Thorium Metal
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6.2.2 5th Energy Level
Chromium Metal
8,843.00 kJ/mol
Rank: 6 (Overall)
Not Available
Rank: N/A (Overall)
Dubnium Metal
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6.2.4 6th Energy Level
Chromium Metal
10,679.00 kJ/mol
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Seaborgium Metal
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6.2.5 7th Energy level
Chromium Metal
13,310.00 kJ/mol
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Bohrium Metal
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6.3.1 8th Energy Level
Chromium Metal
15,250.00 kJ/mol
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Hassium Metal
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6.4.1 9th Energy Level
Chromium Metal
17,370.00 kJ/mol
Rank: 14 (Overall)
Not Available
Rank: N/A (Overall)
Yttrium Metal
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6.5.2 10th Energy Level
Chromium Metal
21,726.00 kJ/mol
Rank: 13 (Overall)
Not Available
Rank: N/A (Overall)
Strontium Metal
6.5.4 11th Energy Level
Magnesium Metal
24,102.00 kJ/mol
Rank: 16 (Overall)
Not Available
Rank: N/A (Overall)
Yttrium Metal
6.5.6 12th Energy Level
Magnesium Metal
66,320.00 kJ/mol
Rank: 2 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
6.5.7 13th Energy Level
Titanium Metal
73,010.00 kJ/mol
Rank: 2 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
6.6.1 14th Energy Level
Vanadium Metal
80,160.00 kJ/mol
Rank: 3 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
7.2.1 15th Energy Level
Chromium Metal
89,490.00 kJ/mol
Rank: 4 (Overall)
Not Available
Rank: N/A (Overall)
Manganese Metal
7.3.1 16th Energy Level
Manganese Metal
97,400.00 kJ/mol
Rank: 5 (Overall)
Not Available
Rank: N/A (Overall)
Iron Metal
8.1.1 17th Energy Level
Iron Metal
105,600.00 kJ/mol
Rank: 6 (Overall)
Not Available
Rank: N/A (Overall)
Cobalt Metal
8.1.2 18th Energy Level
Cobalt Metal
117,000.00 kJ/mol
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Nickel Metal
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8.2.1 19th Energy Level
Nickel Metal
124,270.00 kJ/mol
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Copper Metal
8.3.1 20th Energy Level
Zinc Metal
Not Available
Rank: 100 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.4.1 21st Energy Level
Zinc Metal
Not Available
Rank: 100 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.5.1 22nd Energy Level
Copper Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.6.2 23rd Energy Level
Copper Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.6.4 24th Energy Level
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
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8.6.6 25th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.6.7 26th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.8.2 27th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.8.3 28th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.8.5 29th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.8.6 30th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
8.9 Electrochemical Equivalent
Francium Metal
0.56 g/amp-hr
Rank: 67 (Overall)
1.35 g/amp-hr
Rank: 49 (Overall)
Beryllium Metal
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8.10 Electron Work Function
Platinum Metal
3.50 eV
Rank: 31 (Overall)
4.25 eV
Rank: 21 (Overall)
Cesium Metal
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8.13 Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
9 Atomic
9.1 Atomic Number
Tennessine Metal
21
Rank: 85 (Overall)
73
Rank: 43 (Overall)
Lithium Metal
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9.3 Electron Configuration
[Ar] 3d1 4s2
[Xe] 4f14 5d3 6s2
9.4 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
9.4.1 Crystal Lattice
9.5 Atom
9.5.1 Number of Protons
Tennessine Metal
21
Rank: 84 (Overall)
73
Rank: 42 (Overall)
Lithium Metal
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10.1.2 Number of Neutrons
Flerovium Metal
24
Rank: 63 (Overall)
108
Rank: 28 (Overall)
Lithium Metal
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10.1.4 Number of Electrons
Tennessine Metal
21
Rank: 84 (Overall)
73
Rank: 42 (Overall)
Lithium Metal
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10.2 Radius of an Atom
10.2.1 Atomic Radius
Cesium Metal
162.00 pm
Rank: 26 (Overall)
146.00 pm
Rank: 35 (Overall)
Beryllium Metal
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10.3.2 Covalent Radius
Francium Metal
170.00 pm
Rank: 25 (Overall)
170.00 pm
Rank: 25 (Overall)
Beryllium Metal
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10.3.4 Van der Waals Radius
Francium Metal
211.00 pm
Rank: 25 (Overall)
200.00 pm
Rank: 28 (Overall)
Zinc Metal
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10.4 Atomic Weight
Tennessine Metal
44.96 amu
Rank: 79 (Overall)
180.95 amu
Rank: 38 (Overall)
Lithium Metal
10.5 Atomic Volume
Cesium Metal
15.00 cm3/mol
Rank: 34 (Overall)
10.90 cm3/mol
Rank: 44 (Overall)
Manganese Metal
11.2 Adjacent Atomic Numbers
11.2.1 Previous Element
11.2.2 Next Element
11.3 Valence Electron Potential
Platinum Metal
58.00 (-eV)
Rank: 24 (Overall)
110.00 (-eV)
Rank: 7 (Overall)
Francium Metal
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11.5 Lattice Constant
Manganese Metal
330.90 pm
Rank: 49 (Overall)
330.13 pm
Rank: 50 (Overall)
Beryllium Metal
11.6 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
11.7 Lattice C/A Ratio
Cadmium Metal
1.59
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium Metal
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
Hassium Metal
2.99 g/cm3
Rank: 73 (Overall)
16.69 g/cm3
Rank: 18 (Overall)
Lithium Metal
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12.2.1 Density When Liquid (at m.p.)
Osmium Metal
2.80 g/cm3
Rank: 51 (Overall)
15.00 g/cm3
Rank: 9 (Overall)
Lithium Metal
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12.4 Tensile Strength
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Indium Metal
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12.6 Viscosity
Mercury Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury Metal
12.7 Vapor Pressure
12.7.1 Vapor Pressure at 1000 K
Strontium Metal
0.00 (Pa)
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Cerium Metal
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12.8.2 Vapor Pressure at 2000 K
Chromium Metal
91.30 (Pa)
Rank: 3 (Overall)
0.00 (Pa)
Rank: 31 (Overall)
Tungsten Metal
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12.9 Elasticity properties
12.9.1 Shear Modulus
Osmium Metal
29.10 GPa
Rank: 24 (Overall)
69.00 GPa
Rank: 13 (Overall)
Potassium Metal
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12.9.3 Bulk Modulus
Osmium Metal
56.60 GPa
Rank: 21 (Overall)
200.00 GPa
Rank: 8 (Overall)
Cesium Metal
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12.9.4 Young's Modulus
Iridium Metal
74.40 GPa
Rank: 26 (Overall)
186.00 GPa
Rank: 13 (Overall)
Cesium Metal
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12.10 Poisson Ratio
Gallium Metal
0.28
Rank: 18 (Overall)
0.34
Rank: 10 (Overall)
Beryllium Metal
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12.11 Other Mechanical Properties
NA
Ductile
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
Cobalt Metal
2.99
Rank: 61 (Overall)
16.65
Rank: 11 (Overall)
Lithium Metal
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13.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
13.1.3 Permeability
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth Metal
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13.1.4 Susceptibility
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth Metal
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13.2 Electrical Properties
13.2.1 Electrical Property
Conductor
Conductor
13.2.2 Resistivity
Mercury Metal
562.00 nΩ·m
Rank: 10 (Overall)
131.00 nΩ·m
Rank: 25 (Overall)
Thallium Metal
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13.2.3 Electrical Conductivity
Silver Metal
0.02 106/cm Ω
Rank: 46 (Overall)
0.08 106/cm Ω
Rank: 27 (Overall)
Plutonium Metal
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13.2.4 Electron Affinity
Gold Metal
18.10 kJ/mol
Rank: 33 (Overall)
31.00 kJ/mol
Rank: 29 (Overall)
Mercury Metal
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14 Thermal
14.1 Specific Heat
Lithium Metal
0.60 J/(kg K)
Rank: 8 (Overall)
0.14 J/(kg K)
Rank: 37 (Overall)
Americium Metal
14.2 Molar Heat Capacity
Americium Metal
25.52 J/mol·K
Rank: 37 (Overall)
25.36 J/mol·K
Rank: 41 (Overall)
Beryllium Metal
14.3 Thermal Conductivity
Silver Metal
15.80 W/m·K
Rank: 53 (Overall)
57.50 W/m·K
Rank: 27 (Overall)
Neptunium Metal
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14.4 Critical Temperature
Lithium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium Metal
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14.5 Thermal Expansion
Cesium Metal
10.20 µm/(m·K)
Rank: 39 (Overall)
6.30 µm/(m·K)
Rank: 52 (Overall)
Tungsten Metal
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14.6 Enthalpy
14.6.1 Enthalpy of Vaporization
Tungsten Metal
314.20 kJ/mol
Rank: 28 (Overall)
753.10 kJ/mol
Rank: 2 (Overall)
Zinc Metal
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14.6.2 Enthalpy of Fusion
Tungsten Metal
14.10 kJ/mol
Rank: 25 (Overall)
31.40 kJ/mol
Rank: 3 (Overall)
Cesium Metal
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14.6.3 Enthalpy of Atomization
Tungsten Metal
343.00 kJ/mol
Rank: 28 (Overall)
782.00 kJ/mol
Rank: 3 (Overall)
Mercury Metal
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14.7 Standard Molar Entropy
Protactinium Me..
34.60 J/mol.K
Rank: 44 (Overall)
41.50 J/mol.K
Rank: 37 (Overall)
Beryllium Metal
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