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Calcium
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Potassium
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Calcium
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Potassium

Properties of Calcium and Potassium
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1 Physical
1 Melting Point
Properties of T..
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▼
839.00 °C
Rank: 52 (Overall)▶
63.65 °C
Rank: 77 (Overall)▶
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Properties of Francium
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3 Boiling Point
Properties of T..
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1,484.00 °C
Rank: 58 (Overall)▶
774.00 °C
Rank: 72 (Overall)▶
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Properties of Flerovium
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4 Hardness
4.1 Mohs Hardness
Properties of C..
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1.75
Rank: 17 (Overall)▶
0.40
Rank: 23 (Overall)▶
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Properties of Cesium
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1.1 Brinell Hardness
Properties of O..
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170.00 MPa
Rank: 44 (Overall)▶
0.36 MPa
Rank: 54 (Overall)▶
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Properties of Cesium
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2.1 Vickers Hardness
Properties of T..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Palladium
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5 Optical Properties
5.1 Refractive Index
Properties of P..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Mercury
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5.3 Reflectivity
Properties of S..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Molybdenum
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7 Speed of Sound
Properties of T..
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3,810.00 m/s
Rank: 19 (Overall)▶
2,000.00 m/s
Rank: 45 (Overall)▶
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Properties of Thallium
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9 Allotropes
✔ ✘
No Alkaline Earth Metals Metals has it !
✔ ✘
No Alkali Metals Metals has it !
9.1 α Allotropes
Not Available
Not Available
9.2 β Allotropes
Not Available
Not Available
9.3 γ Allotropes
Not Available
Not Available
3 Chemical
1 Chemical Formula
Ca
K
2 Isotopes
2.1 Known Isotopes
Properties of P..
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19
Rank: 20 (Overall)▶
20
Rank: 19 (Overall)▶
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Properties of Tennessine
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3 Electronegativity
3.1 Pauling Electronegativity
Properties of G..
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1.00
Rank: 45 (Overall)▶
0.82
Rank: 51 (Overall)▶
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Properties of Francium
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2.2 Sanderson Electronegativity
Properties of C..
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▼
0.95
Rank: 24 (Overall)▶
0.45
Rank: 31 (Overall)▶
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Properties of Cesium
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3.2 Allred Rochow Electronegativity
Properties of G..
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1.04
Rank: 34 (Overall)▶
0.91
Rank: 39 (Overall)▶
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Properties of Cesium
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3.4 Mulliken-Jaffe Electronegativity
Properties of P..
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1.08
Rank: 17 (Overall)▶
0.73
Rank: 23 (Overall)▶
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Properties of Cesium
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3.6 Allen Electronegativity
Properties of B..
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1.03
Rank: 39 (Overall)▶
0.73
Rank: 45 (Overall)▶
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Properties of Cesium
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4 Electropositivity
4.1 Pauling Electropositivity
Properties of F..
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3.00
Rank: 9 (Overall)▶
3.18
Rank: 3 (Overall)▶
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Properties of Gold
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5 Ionization Energies
5.1 1st Energy Level
Properties of C..
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589.80 kJ/mol
Rank: 57 (Overall)▶
418.80 kJ/mol
Rank: 87 (Overall)▶
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Properties of Cesium
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6.2 2nd Energy Level
Properties of C..
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1,145.40 kJ/mol
Rank: 69 (Overall)▶
3,052.00 kJ/mol
Rank: 5 (Overall)▶
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Properties of Ruthenium
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7.2 3rd Energy Level
Properties of C..
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4,912.40 kJ/mol
Rank: 7 (Overall)▶
4,420.00 kJ/mol
Rank: 8 (Overall)▶
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Properties of Osmium
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8 Electrochemical Equivalent
Properties of F..
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0.75 g/amp-hr
Rank: 64 (Overall)▶
1.46 g/amp-hr
Rank: 47 (Overall)▶
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Properties of Beryllium
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9 Electron Work Function
Properties of P..
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2.87 eV
Rank: 38 (Overall)▶
2.30 eV
Rank: 44 (Overall)▶
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Properties of Cesium
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10 Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility
Chemical Stability, Flammability, Ionization, Solubility
5 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
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1.55 g/cm3
Rank: 80 (Overall)▶
0.86 g/cm3
Rank: 83 (Overall)▶
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Properties of Lithium
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1.3 Density When Liquid (at m.p.)
Properties of O..
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1.38 g/cm3
Rank: 57 (Overall)▶
0.83 g/cm3
Rank: 59 (Overall)▶
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Properties of Lithium
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2 Vapor Pressure
2.1 Vapor Pressure at 1000 K
Properties of S..
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25.50 (Pa)
Rank: 3 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Cerium
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2.3 Vapor Pressure at 2000 K
Properties of C..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Tungsten
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3 Tensile Strength
Properties of I..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Indium
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4 Viscosity
Properties of M..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Mercury
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5 Elasticity properties
5.1 Shear Modulus
Properties of O..
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7.40 GPa
Rank: 45 (Overall)▶
1.30 GPa
Rank: 52 (Overall)▶
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Properties of Potassium
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5.3 Bulk Modulus
Properties of O..
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17.00 GPa
Rank: 43 (Overall)▶
3.10 GPa
Rank: 48 (Overall)▶
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Properties of Cesium
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5.5 Young's Modulus
Properties of I..
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20.00 GPa
Rank: 46 (Overall)▶
3.53 GPa
Rank: 56 (Overall)▶
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Properties of Cesium
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6 Poisson Ratio
Properties of G..
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0.31
Rank: 13 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Beryllium
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7 Other Mechanical Properties
NA
NA
6 Periodic Table
1 Symbol
Ca
K
2 Group Number
Properties of T..
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2
Rank: 16 (Overall)▶
1
Rank: 17 (Overall)▶
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Properties of Gadolinium
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3 Period Number
Properties of U..
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4
Rank: 4 (Overall)▶
4
Rank: 4 (Overall)▶
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Properties of Lithium
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4 Block
s block
s block
5 Element Family
Alkaline Earth
Alkali
7 Atomic
1 Atomic Number
Properties of T..
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20
Rank: 86 (Overall)▶
19
Rank: 87 (Overall)▶
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Properties of Lithium
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2 Atomic Weight
Properties of T..
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40.08 amu
Rank: 80 (Overall)▶
39.10 amu
Rank: 81 (Overall)▶
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Properties of Lithium
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3 Atomic Volume
Properties of C..
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29.90 cm3/mol
Rank: 7 (Overall)▶
45.46 cm3/mol
Rank: 3 (Overall)▶
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Properties of Manganese
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4 Electron Configuration
[Ar] 4s2
[Ar] 4s1
5 Valence Electron Potential
Properties of P..
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29.00 (-eV)
Rank: 53 (Overall)▶
10.40 (-eV)
Rank: 63 (Overall)▶
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Properties of Francium
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6 Atom
6.1 Number of Protons
Properties of T..
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20
Rank: 85 (Overall)▶
19
Rank: 86 (Overall)▶
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Properties of Lithium
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6.3 Number of Neutrons
Properties of F..
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20
Rank: 64 (Overall)▶
20
Rank: 64 (Overall)▶
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Properties of Lithium
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6.5 Number of Electrons
Properties of T..
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20
Rank: 85 (Overall)▶
19
Rank: 86 (Overall)▶
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Properties of Lithium
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7 Crystal Structure
Face Centered Cubic (FCC)
Body Centered Cubic (BCC)
7.1 Crystal Lattice
8 Radius of an Atom
8.1 Atomic Radius
Properties of C..
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197.00 pm
Rank: 6 (Overall)▶
227.00 pm
Rank: 3 (Overall)▶
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Properties of Beryllium
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8.4 Covalent Radius
Properties of F..
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176.00 pm
Rank: 22 (Overall)▶
203.00 pm
Rank: 9 (Overall)▶
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Properties of Beryllium
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8.7 Van der Waals Radius
Properties of F..
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231.00 pm
Rank: 19 (Overall)▶
275.00 pm
Rank: 5 (Overall)▶
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Properties of Zinc
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10 Lattice Constant
Properties of M..
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558.84 pm
Rank: 9 (Overall)▶
532.80 pm
Rank: 12 (Overall)▶
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Properties of Beryllium
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12 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
13 Lattice C/A Ratio
Properties of C..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Beryllium
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2 Adjacent Atomic Numbers
2.1 Next Element
2.2 Previous Element
9 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
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33.60 nΩ·m
Rank: 48 (Overall)▶
72.00 nΩ·m
Rank: 37 (Overall)▶
▲
Properties of Thallium
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4.2 Electrical Conductivity
Properties of S..
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0.30 106/cm Ω
Rank: 6 (Overall)▶
0.14 106/cm Ω
Rank: 14 (Overall)▶
▲
Properties of Plutonium
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4.4 Electron Affinity
Properties of G..
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2.37 kJ/mol
Rank: 39 (Overall)▶
48.40 kJ/mol
Rank: 22 (Overall)▶
▲
Properties of Mercury
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4.6 Electrical Property
Conductor
Conductor
5 Magnetic Characteristics
5.1 Specific Gravity
Properties of C..
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4.58
Rank: 57 (Overall)▶
0.86
Rank: 69 (Overall)▶
▲
Properties of Lithium
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6.2 Magnetic Ordering
Diamagnetic
Paramagnetic
6.3 Permeability
Properties of I..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Bismuth
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6.5 Susceptibility
Properties of I..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Bismuth
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10 Thermal
1 Specific Heat
Properties of L..
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0.63 J/(kg K)
Rank: 7 (Overall)▶
0.75 J/(kg K)
Rank: 6 (Overall)▶
▲
Properties of Americium
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4 Thermal Conductivity
Properties of S..
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201.00 W/m·K
Rank: 5 (Overall)▶
102.50 W/m·K
Rank: 15 (Overall)▶
▲
Properties of Neptunium
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◀ ▶ ADD ⊕
7 Critical Temperature
Properties of L..
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▼
Not Available
Rank: N/A (Overall)▶
2,223.00 K
Rank: 3 (Overall)▶
▲
Properties of Ytterbium
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9 Molar Heat Capacity
Properties of A..
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25.93 J/mol·K
Rank: 34 (Overall)▶
29.60 J/mol·K
Rank: 6 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
12 Thermal Expansion
Properties of C..
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22.30 µm/(m·K)
Rank: 19 (Overall)▶
83.30 µm/(m·K)
Rank: 3 (Overall)▶
▲
Properties of Tungsten
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◀ ▶ ADD ⊕
2 Standard Molar Entropy
Properties of P..
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41.60 J/mol.K
Rank: 36 (Overall)▶
64.70 J/mol.K
Rank: 18 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
3 Enthalpy
3.1 Enthalpy of Vaporization
Properties of T..
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150.00 kJ/mol
Rank: 47 (Overall)▶
77.50 kJ/mol
Rank: 55 (Overall)▶
▲
Properties of Zinc
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◀ ▶ ADD ⊕
4.1 Enthalpy of Fusion
Properties of T..
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▼
8.54 kJ/mol
Rank: 41 (Overall)▶
2.32 kJ/mol
Rank: 60 (Overall)▶
▲
Properties of Cesium
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◀ ▶ ADD ⊕
5.1 Enthalpy of Atomization
Properties of T..
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▼
184.00 kJ/mol
Rank: 46 (Overall)▶
89.50 kJ/mol
Rank: 58 (Overall)▶
▲
Properties of Mercury
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◀ ▶ ADD ⊕

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