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Berkelium
Berkelium

Strontium
Strontium



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Berkelium
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Berkelium vs Strontium

1 Periodic Table
1.1 Symbol
Bk
Sr
1.2 Group Number
Tennessine
Not Available
Rank: N/A (Overall)
2
Rank: 16 (Overall)
Gadolinium
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1.3 Period Number
Uranium
7
Rank: 1 (Overall)
5
Rank: 3 (Overall)
Lithium
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1.4 Block
f block
s block
1.5 Element Family
Actinide
Alkaline Earth
1.6 CAS Number
Roentgenium
7440406
Rank: 44 (Overall)
7440246
Rank: 56 (Overall)
Aluminium
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1.7 Space Group Name
P63/mmc
Fm_ 3m
1.8 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
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
  • Strontium element is softer than Calcium.
  • Silvery Strontium turns yellow, if exposed to air.
2.2 Sources
Bombarding Americium with Alpha Particles.
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
William Cruickshank
2.3.2 Discovery
In 1949
In 1787
2.4 Abundance
2.4.1 Abundance In Universe
Iron
Not Available
Rank: N/A (Overall)
4 * 10-6 %
Rank: 14 (Overall)
Thallium
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2.4.2 Abundance In Sun
Iron
~-9999 %
Rank: N/A (Overall)
~0.000005 %
Rank: 15 (Overall)
Beryllium
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2.4.3 Abundance In Meteorites
Iron
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 15 (Overall)
Gold
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2.4.4 Abundance In Earth's Crust
Aluminium
Not Available
Rank: N/A (Overall)
0.04 %
Rank: 10 (Overall)
Radium
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2.4.5 Abundance In Oceans
Sodium
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 4 (Overall)
Protactinium
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2.4.6 Abundance In Humans
Calcium
Not Available
Rank: N/A (Overall)
0.00 %
Rank: 7 (Overall)
Radium
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3 Uses
3.1 Uses & Benefits
  • This metal is very rare and has no commercial uses.
  • Strontium metal is used to producing ferrite magnets as well as refining zinc.
  • By-product of nuclear reactors called Strontium-90 is a radioactive isotope; it is absorbed by tissues and destroys bone marrow and cancer growth.
3.1.1 Industrial Uses
NA
Ammunition Industry, Chemical Industry
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
NA
Alloys
3.2 Biological Properties
3.2.1 Toxicity
Unknown
Non Toxic
3.2.2 Present in Human Body
7% Actinide Series Metals have it !
83% Alkaline Earth Metals Metals have it !
3.2.3 In Blood
Sodium
0.00 Blood/mg dm-3
Rank: 37 (Overall)
0.03 Blood/mg dm-3
Rank: 19 (Overall)
Plutonium
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3.2.4 In Bone
Calcium
0.00 p.p.m.
Rank: 36 (Overall)
140.00 p.p.m.
Rank: 7 (Overall)
Plutonium
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4 Physical
4.1 Melting Point
Tungsten
986.00 °C
Rank: 46 (Overall)
769.00 °C
Rank: 57 (Overall)
Francium
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4.2 Boiling Point
Tungsten
2,627.00 °C
Rank: 40 (Overall)
1,384.00 °C
Rank: 61 (Overall)
Flerovium
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4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silver
Silvery White
4.3.3 Luster
Metallic
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
Chromium
Not Available
Rank: N/A (Overall)
1.50
Rank: 18 (Overall)
Cesium
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4.4.2 Brinell Hardness
Osmium
Not Available
Rank: N/A (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
Not Available
Rank: N/A (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
No Actinide Series Metals has it !
No Alkaline Earth Metals Metals has 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
Bk
Sr
5.2 Isotopes
5.2.1 Known Isotopes
Palladium
14
Rank: 25 (Overall)
27
Rank: 12 (Overall)
Tennessine
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold
1.30
Rank: 32 (Overall)
0.95
Rank: 47 (Overall)
Francium
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5.3.2 Sanderson Electronegativity
Cobalt
Not Available
Rank: N/A (Overall)
0.72
Rank: 27 (Overall)
Cesium
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5.3.3 Allred Rochow Electronegativity
Gallium
1.20
Rank: 27 (Overall)
0.99
Rank: 37 (Overall)
Cesium
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5.3.4 Mulliken-Jaffe Electronegativity
Polonium
Not Available
Rank: N/A (Overall)
1.00
Rank: 18 (Overall)
Cesium
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5.3.5 Allen Electronegativity
Berkelium
2.70
Rank: 1 (Overall)
0.96
Rank: 40 (Overall)
Cesium
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium
2.70
Rank: 22 (Overall)
3.05
Rank: 7 (Overall)
Gold
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium
601.00 kJ/mol
Rank: 52 (Overall)
549.50 kJ/mol
Rank: 70 (Overall)
Cesium
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5.5.2 2nd Energy Level
Chromium
1,186.00 kJ/mol
Rank: 62 (Overall)
1,064.20 kJ/mol
Rank: 77 (Overall)
Ruthenium
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5.5.3 3rd Energy Level
Chromium
2,152.00 kJ/mol
Rank: 66 (Overall)
4,138.00 kJ/mol
Rank: 10 (Overall)
Osmium
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5.5.4 4th Energy Level
Chromium
3,434.00 kJ/mol
Rank: 57 (Overall)
5,500.00 kJ/mol
Rank: 13 (Overall)
Thorium
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5.5.5 5th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
6,910.00 kJ/mol
Rank: 18 (Overall)
Dubnium
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5.5.6 6th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
8,760.00 kJ/mol
Rank: 18 (Overall)
Seaborgium
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5.5.7 7th Energy level
Chromium
Not Available
Rank: N/A (Overall)
10,230.00 kJ/mol
Rank: 19 (Overall)
Bohrium
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5.5.8 8th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
11,800.00 kJ/mol
Rank: 19 (Overall)
Hassium
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5.5.9 9th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
15,600.00 kJ/mol
Rank: 17 (Overall)
Yttrium
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5.5.10 10th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
17,100.00 kJ/mol
Rank: 19 (Overall)
Strontium
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5.5.11 11th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
31,270.00 kJ/mol
Rank: 6 (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
3.07 g/amp-hr
Rank: 16 (Overall)
1.64 g/amp-hr
Rank: 45 (Overall)
Beryllium
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5.7 Electron Work Function
Platinum
Not Available
Rank: N/A (Overall)
2.59 eV
Rank: 42 (Overall)
Cesium
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5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity, Solubility
6 Atomic
6.1 Atomic Number
Tennessine
97
Rank: 21 (Overall)
38
Rank: 74 (Overall)
Lithium
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6.2 Electron Configuration
[Rn] 5f9 7s2
[Kr] 5s2
6.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Face Centered Cubic (FCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
Tennessine
97
Rank: 21 (Overall)
38
Rank: 73 (Overall)
Lithium
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6.4.2 Number of Neutrons
Flerovium
150
Rank: 11 (Overall)
50
Rank: 55 (Overall)
Lithium
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6.4.3 Number of Electrons
Tennessine
97
Rank: 21 (Overall)
38
Rank: 73 (Overall)
Lithium
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium
170.00 pm
Rank: 22 (Overall)
215.00 pm
Rank: 5 (Overall)
Beryllium
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6.5.2 Covalent Radius
Francium
Not Available
Rank: N/A (Overall)
195.00 pm
Rank: 15 (Overall)
Beryllium
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6.5.3 Van der Waals Radius
Francium
Not Available
Rank: N/A (Overall)
249.00 pm
Rank: 7 (Overall)
Zinc
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6.6 Atomic Weight
Tennessine
247.00 amu
Rank: 18 (Overall)
87.62 amu
Rank: 68 (Overall)
Lithium
ADD ⊕
6.7 Atomic Volume
Cesium
Not Available
Rank: N/A (Overall)
33.70 cm3/mol
Rank: 6 (Overall)
Manganese
ADD ⊕
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
Platinum
45.50 (-eV)
Rank: 36 (Overall)
25.70 (-eV)
Rank: 56 (Overall)
Francium
ADD ⊕
6.10 Lattice Constant
Manganese
341.60 pm
Rank: 46 (Overall)
608.49 pm
Rank: 6 (Overall)
Beryllium
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6.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
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
14.78 g/cm3
Rank: 22 (Overall)
2.64 g/cm3
Rank: 75 (Overall)
Lithium
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7.1.2 Density When Liquid (at m.p.)
Osmium
13.25 g/cm3
Rank: 11 (Overall)
2.38 g/cm3
Rank: 52 (Overall)
Lithium
ADD ⊕
7.2 Tensile Strength
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Indium
ADD ⊕
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
Not Available
Rank: N/A (Overall)
121.00 (Pa)
Rank: 1 (Overall)
Cerium
ADD ⊕
7.4.2 Vapor Pressure at 2000 K
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Tungsten
ADD ⊕
7.5 Elasticity properties
7.5.1 Shear Modulus
Osmium
Not Available
Rank: N/A (Overall)
6.03 GPa
Rank: 46 (Overall)
Potassium
ADD ⊕
7.5.2 Bulk Modulus
Osmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
ADD ⊕
7.5.3 Young's Modulus
Iridium
Not Available
Rank: N/A (Overall)
15.70 GPa
Rank: 49 (Overall)
Cesium
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7.6 Poisson Ratio
Gallium
Not Available
Rank: N/A (Overall)
0.28
Rank: 17 (Overall)
Beryllium
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7.7 Other Mechanical Properties
NA
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
Cobalt
14.00
Rank: 14 (Overall)
2.64
Rank: 63 (Overall)
Lithium
ADD ⊕
8.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
8.1.3 Permeability
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
ADD ⊕
8.1.4 Susceptibility
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
ADD ⊕
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
NA
8.2.2 Resistivity
Mercury
Not Available
Rank: N/A (Overall)
132.00 nΩ·m
Rank: 24 (Overall)
Thallium
ADD ⊕
8.2.3 Electrical Conductivity
Silver
Not Available
Rank: N/A (Overall)
0.08 106/cm Ω
Rank: 26 (Overall)
Plutonium
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8.2.4 Electron Affinity
Gold
Not Available
Rank: N/A (Overall)
5.03 kJ/mol
Rank: 38 (Overall)
Mercury
ADD ⊕
9 Thermal
9.1 Specific Heat
Lithium
Not Available
Rank: N/A (Overall)
0.30 J/(kg K)
Rank: 18 (Overall)
Americium
ADD ⊕
9.2 Molar Heat Capacity
Americium
Not Available
Rank: N/A (Overall)
26.40 J/mol·K
Rank: 28 (Overall)
Beryllium
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9.3 Thermal Conductivity
Silver
10.00 W/m·K
Rank: 65 (Overall)
35.40 W/m·K
Rank: 37 (Overall)
Neptunium
ADD ⊕
9.4 Critical Temperature
Lithium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium
ADD ⊕
9.5 Thermal Expansion
Cesium
Not Available
Rank: N/A (Overall)
22.50 µm/(m·K)
Rank: 18 (Overall)
Tungsten
ADD ⊕
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
Tungsten
Not Available
Rank: N/A (Overall)
150.00 kJ/mol
Rank: 47 (Overall)
Zinc
ADD ⊕
9.6.2 Enthalpy of Fusion
Tungsten
Not Available
Rank: N/A (Overall)
9.16 kJ/mol
Rank: 38 (Overall)
Cesium
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9.6.3 Enthalpy of Atomization
Tungsten
Not Available
Rank: N/A (Overall)
163.20 kJ/mol
Rank: 50 (Overall)
Mercury
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9.7 Standard Molar Entropy
Protactinium
Not Available
Rank: N/A (Overall)
55.00 J/mol.K
Rank: 26 (Overall)
Beryllium
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