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Calcium
Calcium

Magnesium
Magnesium



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Calcium
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Magnesium

Calcium Magnesium Comparison

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1 Periodic Table
1.1 Symbol
Ca
Mg
1.2 Group Number
Tennessine Metal
2
Rank: 16 (Overall)
2
Rank: 16 (Overall)
Gadolinium Metal
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1.3 Period Number
Uranium Metal
4
Rank: 4 (Overall)
3
Rank: 5 (Overall)
Lithium Metal
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1.4 Block
s block
s block
1.5 Element Family
Alkaline Earth
Alkaline Earth
1.6 CAS Number
Roentgenium Met..
7440702
Rank: 21 (Overall)
7439954
Rank: 83 (Overall)
Aluminium Metal
1.7 Space Group Name
Fm_ 3m
P63/mmc
1.8 Space Group Number
Sodium Metal
225.00
Rank: 2 (Overall)
194.00
Rank: 5 (Overall)
Plutonium Metal
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2 Facts
2.1 Interesting Facts
  • Calcium ranks 5th rank in the list of earth’s abundance Percentage.
  • It is found in the compound state.
  • Gypsum or calcium sulfate is used as plaster and plaster of paris.
  • Magnesium ions are present in every chlorophyll of every green plant .
  • Controlling Magnesium fire by pouring water on it will result in explosions.
2.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
By Electrolysis Process, In Ocean, Mining
2.3 History
2.3.1 Who Discovered
Humphry Davy
Joseph Black
2.3.2 Discovery
In 1808
In 1755
2.4 Abundance
2.4.1 Abundance In Universe
Iron Metal
7 * 10-3 %
Rank: 3 (Overall)
6 * 10-2 %
Rank: 2 (Overall)
Thallium Metal
2.4.2 Abundance In Sun
Iron Metal
~0.007 %
Rank: 4 (Overall)
~0.07 %
Rank: 2 (Overall)
Beryllium Metal
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2.4.3 Abundance In Meteorites
Iron Metal
1.10 %
Rank: 4 (Overall)
12.00 %
Rank: 2 (Overall)
Gold Metal
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2.4.4 Abundance In Earth's Crust
Aluminium Metal
5.00 %
Rank: 3 (Overall)
2.90 %
Rank: 4 (Overall)
Radium Metal
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2.4.5 Abundance In Oceans
Sodium Metal
0.00 %
Rank: 5 (Overall)
0.13 %
Rank: 2 (Overall)
Protactinium Metal
2.4.6 Abundance In Humans
Calcium Metal
1.40 %
Rank: 1 (Overall)
0.03 %
Rank: 4 (Overall)
Radium Metal
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3 Uses
3.1 Uses & Benefits
  • It is used as a reducing agent while preparing metals like thorium and uranium. It is also used as an alloying agent for metals such as aluminum, copper & lead.
  • Calcium carbonate or lime stone is used in cement.
  • Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
  • It is also used to remove sulfur from the molten iron and steel.
3.1.1 Industrial Uses
Chemical Industry
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry
3.1.2 Medical Uses
Dentistry, Pharmaceutical Industry
NA
3.1.3 Other Uses
Alloys
Surgical Instruments Manufacturing
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Non Toxic
3.2.2 Present in Human Body
83% Alkaline Earth Metals Metals have it !
83% Alkaline Earth Metals Metals have it !
3.2.3 In Blood
Sodium Metal
60.50 Blood/mg dm-3
Rank: 4 (Overall)
37.80 Blood/mg dm-3
Rank: 5 (Overall)
Plutonium Metal
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3.2.4 In Bone
Calcium Metal
170,000.00 p.p.m.
Rank: 1 (Overall)
1,800.00 p.p.m.
Rank: 4 (Overall)
Plutonium Metal
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4 Physical
4.1 Melting Point
Tungsten Metal
839.00 °C
Rank: 52 (Overall)
650.00 °C
Rank: 61 (Overall)
Francium Metal
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4.2 Boiling Point
Tungsten Metal
1,484.00 °C
Rank: 58 (Overall)
1,107.00 °C
Rank: 66 (Overall)
Flerovium Metal
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4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Gray
Gray
4.3.3 Luster
NA
NA
4.4 Hardness
4.4.1 Mohs Hardness
Chromium Metal
1.75
Rank: 17 (Overall)
2.50
Rank: 14 (Overall)
Cesium Metal
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4.4.2 Brinell Hardness
Osmium Metal
170.00 MPa
Rank: 44 (Overall)
260.00 MPa
Rank: 36 (Overall)
Cesium Metal
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4.4.3 Vickers Hardness
Tungsten Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Palladium Metal
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4.5 Speed of Sound
Technetium Metal
3,810.00 m/s
Rank: 19 (Overall)
4,940.00 m/s
Rank: 11 (Overall)
Thallium Metal
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4.6 Optical Properties
4.6.1 Refractive Index
Palladium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury Metal
4.6.2 Reflectivity
Silver Metal
Not Available
Rank: N/A (Overall)
74.00 %
Rank: 7 (Overall)
Molybdenum Metal
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4.7 Allotropes
No Alkaline Earth Metals 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
Ca
Mg
5.2 Isotopes
5.2.1 Known Isotopes
Palladium Metal
19
Rank: 20 (Overall)
15
Rank: 24 (Overall)
Tennessine Metal
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold Metal
1.00
Rank: 45 (Overall)
1.31
Rank: 31 (Overall)
Francium Metal
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5.3.2 Sanderson Electronegativity
Cobalt Metal
0.95
Rank: 24 (Overall)
1.32
Rank: 18 (Overall)
Cesium Metal
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5.3.3 Allred Rochow Electronegativity
Gallium Metal
1.04
Rank: 34 (Overall)
1.23
Rank: 25 (Overall)
Cesium Metal
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5.3.4 Mulliken-Jaffe Electronegativity
Polonium Metal
1.08
Rank: 17 (Overall)
1.37
Rank: 16 (Overall)
Cesium Metal
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5.3.5 Allen Electronegativity
Berkelium Metal
1.03
Rank: 39 (Overall)
1.29
Rank: 35 (Overall)
Cesium Metal
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium Metal
3.00
Rank: 9 (Overall)
2.69
Rank: 23 (Overall)
Gold Metal
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium Metal
589.80 kJ/mol
Rank: 57 (Overall)
737.70 kJ/mol
Rank: 24 (Overall)
Cesium Metal
5.5.2 2nd Energy Level
Chromium Metal
1,145.40 kJ/mol
Rank: 69 (Overall)
1,450.70 kJ/mol
Rank: 42 (Overall)
Ruthenium Metal
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5.5.3 3rd Energy Level
Chromium Metal
4,912.40 kJ/mol
Rank: 7 (Overall)
7,732.70 kJ/mol
Rank: 5 (Overall)
Osmium Metal
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5.5.4 4th Energy Level
Chromium Metal
6,491.00 kJ/mol
Rank: 7 (Overall)
10,542.50 kJ/mol
Rank: 4 (Overall)
Thorium Metal
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5.5.5 5th Energy Level
Chromium Metal
8,153.00 kJ/mol
Rank: 7 (Overall)
13,630.00 kJ/mol
Rank: 3 (Overall)
Dubnium Metal
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5.5.6 6th Energy Level
Chromium Metal
10,496.00 kJ/mol
Rank: 8 (Overall)
18,020.00 kJ/mol
Rank: 3 (Overall)
Seaborgium Metal
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5.5.7 7th Energy level
Chromium Metal
12,270.00 kJ/mol
Rank: 12 (Overall)
21,711.00 kJ/mol
Rank: 3 (Overall)
Bohrium Metal
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5.5.8 8th Energy Level
Chromium Metal
14,206.00 kJ/mol
Rank: 15 (Overall)
25,661.00 kJ/mol
Rank: 3 (Overall)
Hassium Metal
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5.5.9 9th Energy Level
Chromium Metal
18,191.00 kJ/mol
Rank: 12 (Overall)
31,653.00 kJ/mol
Rank: 3 (Overall)
Yttrium Metal
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5.5.10 10th Energy Level
Chromium Metal
20,385.00 kJ/mol
Rank: 16 (Overall)
35,458.00 kJ/mol
Rank: 5 (Overall)
Strontium Metal
5.5.11 11th Energy Level
Magnesium Metal
57,110.00 kJ/mol
Rank: 3 (Overall)
169,988.00 kJ/mol
Rank: 1 (Overall)
Yttrium Metal
5.5.12 12th Energy Level
Magnesium Metal
63,410.00 kJ/mol
Rank: 3 (Overall)
189,368.00 kJ/mol
Rank: 1 (Overall)
Molybdenum Metal
5.5.13 13th Energy Level
Titanium Metal
70,110.00 kJ/mol
Rank: 3 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.14 14th Energy Level
Vanadium Metal
78,890.00 kJ/mol
Rank: 4 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.15 15th Energy Level
Chromium Metal
86,310.00 kJ/mol
Rank: 5 (Overall)
Not Available
Rank: N/A (Overall)
Manganese Metal
5.5.16 16th Energy Level
Manganese Metal
94,000.00 kJ/mol
Rank: 6 (Overall)
Not Available
Rank: N/A (Overall)
Iron Metal
5.5.17 17th Energy Level
Iron Metal
104,900.00 kJ/mol
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Cobalt Metal
5.5.18 18th Energy Level
Cobalt Metal
111,711.00 kJ/mol
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Nickel Metal
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5.5.19 19th Energy Level
Nickel Metal
Not Available
Rank: 100 (Overall)
Not Available
Rank: N/A (Overall)
Copper Metal
5.5.20 20th Energy Level
Zinc Metal
Not Available
Rank: 100 (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.21 21st Energy Level
Zinc Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.22 22nd Energy Level
Copper Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.23 23rd Energy Level
Copper Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.24 24th Energy Level
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
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5.5.25 25th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.26 26th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.27 27th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.28 28th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.29 29th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.5.30 30th Energy Level
Molybdenum Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum Metal
5.6 Electrochemical Equivalent
Francium Metal
0.75 g/amp-hr
Rank: 64 (Overall)
0.45 g/amp-hr
Rank: 69 (Overall)
Beryllium Metal
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5.7 Electron Work Function
Platinum Metal
2.87 eV
Rank: 38 (Overall)
3.66 eV
Rank: 29 (Overall)
Cesium Metal
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5.8 Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility
Corrosion, Highly Inflammable, Ionization, Solubility
6 Atomic
6.1 Atomic Number
Tennessine Metal
20
Rank: 86 (Overall)
12
Rank: 89 (Overall)
Lithium Metal
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6.2 Electron Configuration
[Ar] 4s2
[Ne] 3s2
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 Metal
20
Rank: 85 (Overall)
12
Rank: 88 (Overall)
Lithium Metal
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6.4.2 Number of Neutrons
Flerovium Metal
20
Rank: 64 (Overall)
12
Rank: 66 (Overall)
Lithium Metal
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6.4.3 Number of Electrons
Tennessine Metal
20
Rank: 85 (Overall)
12
Rank: 88 (Overall)
Lithium Metal
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium Metal
197.00 pm
Rank: 6 (Overall)
160.00 pm
Rank: 27 (Overall)
Beryllium Metal
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6.5.2 Covalent Radius
Francium Metal
176.00 pm
Rank: 22 (Overall)
141.00 pm
Rank: 43 (Overall)
Beryllium Metal
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6.5.3 Van der Waals Radius
Francium Metal
231.00 pm
Rank: 19 (Overall)
173.00 pm
Rank: 37 (Overall)
Zinc Metal
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6.6 Atomic Weight
Tennessine Metal
40.08 amu
Rank: 80 (Overall)
24.31 amu
Rank: 83 (Overall)
Lithium Metal
6.7 Atomic Volume
Cesium Metal
29.90 cm3/mol
Rank: 7 (Overall)
13.97 cm3/mol
Rank: 37 (Overall)
Manganese Metal
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
Platinum Metal
29.00 (-eV)
Rank: 53 (Overall)
40.00 (-eV)
Rank: 47 (Overall)
Francium Metal
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6.10 Lattice Constant
Manganese Metal
558.84 pm
Rank: 9 (Overall)
320.94 pm
Rank: 54 (Overall)
Beryllium Metal
6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
Cadmium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Beryllium Metal
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
Hassium Metal
1.55 g/cm3
Rank: 80 (Overall)
1.74 g/cm3
Rank: 79 (Overall)
Lithium Metal
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7.1.2 Density When Liquid (at m.p.)
Osmium Metal
1.38 g/cm3
Rank: 57 (Overall)
1.58 g/cm3
Rank: 55 (Overall)
Lithium Metal
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7.2 Tensile Strength
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Indium Metal
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7.3 Viscosity
Mercury Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury Metal
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
Strontium Metal
25.50 (Pa)
Rank: 3 (Overall)
Not Available
Rank: N/A (Overall)
Cerium Metal
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7.4.2 Vapor Pressure at 2000 K
Chromium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Tungsten Metal
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7.5 Elasticity properties
7.5.1 Shear Modulus
Osmium Metal
7.40 GPa
Rank: 45 (Overall)
17.00 GPa
Rank: 37 (Overall)
Potassium Metal
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7.5.2 Bulk Modulus
Osmium Metal
17.00 GPa
Rank: 43 (Overall)
45.00 GPa
Rank: 25 (Overall)
Cesium Metal
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7.5.3 Young's Modulus
Iridium Metal
20.00 GPa
Rank: 46 (Overall)
45.00 GPa
Rank: 39 (Overall)
Cesium Metal
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7.6 Poisson Ratio
Gallium Metal
0.31
Rank: 13 (Overall)
0.29
Rank: 15 (Overall)
Beryllium Metal
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7.7 Other Mechanical Properties
NA
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
Cobalt Metal
4.58
Rank: 57 (Overall)
1.74
Rank: 66 (Overall)
Lithium Metal
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8.1.2 Magnetic Ordering
Diamagnetic
Paramagnetic
8.1.3 Permeability
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth Metal
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8.1.4 Susceptibility
Iron Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth Metal
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8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Conductor
8.2.2 Resistivity
Mercury Metal
33.60 nΩ·m
Rank: 48 (Overall)
43.90 nΩ·m
Rank: 45 (Overall)
Thallium Metal
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8.2.3 Electrical Conductivity
Silver Metal
0.30 106/cm Ω
Rank: 6 (Overall)
0.23 106/cm Ω
Rank: 7 (Overall)
Plutonium Metal
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8.2.4 Electron Affinity
Gold Metal
2.37 kJ/mol
Rank: 39 (Overall)
0.00 kJ/mol
Rank: 40 (Overall)
Mercury Metal
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9 Thermal
9.1 Specific Heat
Lithium Metal
0.63 J/(kg K)
Rank: 7 (Overall)
1.02 J/(kg K)
Rank: 4 (Overall)
Americium Metal
9.2 Molar Heat Capacity
Americium Metal
25.93 J/mol·K
Rank: 34 (Overall)
24.87 J/mol·K
Rank: 47 (Overall)
Beryllium Metal
9.3 Thermal Conductivity
Silver Metal
201.00 W/m·K
Rank: 5 (Overall)
156.00 W/m·K
Rank: 8 (Overall)
Neptunium Metal
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9.4 Critical Temperature
Lithium Metal
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium Metal
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9.5 Thermal Expansion
Cesium Metal
22.30 µm/(m·K)
Rank: 19 (Overall)
24.80 µm/(m·K)
Rank: 15 (Overall)
Tungsten Metal
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9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
Tungsten Metal
150.00 kJ/mol
Rank: 47 (Overall)
128.70 kJ/mol
Rank: 52 (Overall)
Zinc Metal
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9.6.2 Enthalpy of Fusion
Tungsten Metal
8.54 kJ/mol
Rank: 41 (Overall)
8.95 kJ/mol
Rank: 39 (Overall)
Cesium Metal
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9.6.3 Enthalpy of Atomization
Tungsten Metal
184.00 kJ/mol
Rank: 46 (Overall)
148.50 kJ/mol
Rank: 53 (Overall)
Mercury Metal
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9.7 Standard Molar Entropy
Protactinium Me..
41.60 J/mol.K
Rank: 36 (Overall)
32.70 J/mol.K
Rank: 46 (Overall)
Beryllium Metal
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