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Francium
Francium
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Lanthanum
Lanthanum
☒

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X
Francium
X
Lanthanum

Properties of Francium and Lanthanum
Add ⊕
1 Physical
1 Melting Point
Properties of T..
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27.00 °C
Rank: 81 (Overall)▶
920.00 °C
Rank: 49 (Overall)▶
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Properties of Francium
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2 Boiling Point
Properties of T..
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677.00 °C
Rank: 76 (Overall)▶
3,469.00 °C
Rank: 18 (Overall)▶
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Properties of Flerovium
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3 Hardness
3.1 Mohs Hardness
Properties of C..
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Not Available
Rank: N/A (Overall)▶
2.50
Rank: 14 (Overall)▶
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Properties of Cesium
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3.4 Brinell Hardness
Properties of O..
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Not Available
Rank: N/A (Overall)▶
350.00 MPa
Rank: 30 (Overall)▶
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Properties of Cesium
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3.6 Vickers Hardness
Properties of T..
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Not Available
Rank: N/A (Overall)▶
360.00 MPa
Rank: 26 (Overall)▶
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Properties of Palladium
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◀ ▶ ADD ⊕
4 Optical Properties
4.1 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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5.1 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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Not Available
Rank: N/A (Overall)▶
2,475.00 m/s
Rank: 37 (Overall)▶
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Properties of Thallium
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2 Allotropes
✔ ✘
No Alkali Metals Metals has it !
✔ ✘
No Lanthanide Series Metals has it !
2.1 α Allotropes
Not Available
Not Available
2.2 β Allotropes
Not Available
Not Available
2.3 γ Allotropes
Not Available
Not Available
3 Chemical
1 Chemical Formula
Fr
La
2 Isotopes
2.1 Known Isotopes
Properties of P..
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33
Rank: 6 (Overall)▶
31
Rank: 8 (Overall)▶
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Properties of Tennessine
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6 Electronegativity
6.1 Pauling Electronegativity
Properties of G..
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0.70
Rank: 53 (Overall)▶
1.10
Rank: 44 (Overall)▶
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Properties of Francium
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6.3 Sanderson Electronegativity
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 Cesium
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6.5 Allred Rochow Electronegativity
Properties of G..
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0.86
Rank: 41 (Overall)▶
1.08
Rank: 31 (Overall)▶
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Properties of Cesium
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7.2 Mulliken-Jaffe Electronegativity
Properties of P..
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0.68
Rank: 25 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Cesium
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7.3 Allen Electronegativity
Properties of B..
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0.67
Rank: 47 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Cesium
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8 Electropositivity
8.1 Pauling Electropositivity
Properties of F..
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3.30
Rank: 1 (Overall)▶
2.90
Rank: 10 (Overall)▶
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Properties of Gold
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9 Ionization Energies
9.1 1st Energy Level
Properties of C..
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380.00 kJ/mol
Rank: 89 (Overall)▶
538.10 kJ/mol
Rank: 75 (Overall)▶
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Properties of Cesium
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10.1 2nd Energy Level
Properties of C..
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Not Available
Rank: N/A (Overall)▶
1,067.00 kJ/mol
Rank: 76 (Overall)▶
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Properties of Ruthenium
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11.1 3rd Energy Level
Properties of C..
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Not Available
Rank: N/A (Overall)▶
1,850.30 kJ/mol
Rank: 80 (Overall)▶
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Properties of Osmium
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14 Electrochemical Equivalent
Properties of F..
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8.32 g/amp-hr
Rank: 1 (Overall)▶
1.73 g/amp-hr
Rank: 42 (Overall)▶
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Properties of Beryllium
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16 Electron Work Function
Properties of P..
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Not Available
Rank: N/A (Overall)▶
3.50 eV
Rank: 31 (Overall)▶
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Properties of Cesium
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19 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Solubility
4 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
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1.87 g/cm3
Rank: 77 (Overall)▶
6.16 g/cm3
Rank: 65 (Overall)▶
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Properties of Lithium
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1.2 Density When Liquid (at m.p.)
Properties of O..
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Not Available
Rank: N/A (Overall)▶
5.94 g/cm3
Rank: 44 (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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Not Available
Rank: N/A (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)▶
0.98 (Pa)
Rank: 15 (Overall)▶
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Properties of Tungsten
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4 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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7 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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8 Elasticity properties
8.1 Shear Modulus
Properties of O..
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Not Available
Rank: N/A (Overall)▶
14.30 GPa
Rank: 40 (Overall)▶
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Properties of Potassium
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8.3 Bulk Modulus
Properties of O..
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Not Available
Rank: N/A (Overall)▶
27.90 GPa
Rank: 41 (Overall)▶
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Properties of Cesium
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9.2 Young's Modulus
Properties of I..
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Not Available
Rank: N/A (Overall)▶
36.60 GPa
Rank: 42 (Overall)▶
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Properties of Cesium
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10 Poisson Ratio
Properties of G..
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Not Available
Rank: N/A (Overall)▶
0.28
Rank: 17 (Overall)▶
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Properties of Beryllium
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11 Other Mechanical Properties
NA
Ductile
6 Periodic Table
1 Symbol
Fr
La
2 Group Number
Properties of T..
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1
Rank: 17 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Gadolinium
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4 Period Number
Properties of U..
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7
Rank: 1 (Overall)▶
6
Rank: 2 (Overall)▶
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Properties of Lithium
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2 Block
s block
f block
3 Element Family
Alkali
Lanthanide
8 Atomic
1 Atomic Number
Properties of T..
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87
Rank: 31 (Overall)▶
57
Rank: 59 (Overall)▶
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Properties of Lithium
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2 Atomic Weight
Properties of T..
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223.00 amu
Rank: 27 (Overall)▶
138.91 amu
Rank: 53 (Overall)▶
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Properties of Lithium
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3 Atomic Volume
Properties of C..
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Not Available
Rank: N/A (Overall)▶
20.73 cm3/mol
Rank: 16 (Overall)▶
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Properties of Manganese
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5 Electron Configuration
[Rn] 7s1
[Xe] 5d2 6s2
6 Valence Electron Potential
Properties of P..
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8.00 (-eV)
Rank: 67 (Overall)▶
40.71 (-eV)
Rank: 46 (Overall)▶
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Properties of Francium
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7 Atom
7.1 Number of Protons
Properties of T..
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87
Rank: 31 (Overall)▶
57
Rank: 58 (Overall)▶
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Properties of Lithium
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7.3 Number of Neutrons
Properties of F..
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136
Rank: 17 (Overall)▶
82
Rank: 41 (Overall)▶
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Properties of Lithium
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7.4 Number of Electrons
Properties of T..
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87
Rank: 31 (Overall)▶
57
Rank: 58 (Overall)▶
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Properties of Lithium
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8 Crystal Structure
Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)
8.1 Crystal Lattice
9 Radius of an Atom
9.1 Atomic Radius
Properties of C..
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Not Available
Rank: N/A (Overall)▶
187.00 pm
Rank: 8 (Overall)▶
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Properties of Beryllium
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1.1 Covalent Radius
Properties of F..
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260.00 pm
Rank: 1 (Overall)▶
207.00 pm
Rank: 6 (Overall)▶
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Properties of Beryllium
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◀ ▶ ADD ⊕
2.1 Van der Waals Radius
Properties of F..
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348.00 pm
Rank: 1 (Overall)▶
240.00 pm
Rank: 13 (Overall)▶
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Properties of Zinc
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4 Lattice Constant
Properties of M..
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Not Available
Rank: N/A (Overall)▶
377.20 pm
Rank: 28 (Overall)▶
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Properties of Beryllium
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6 Lattice Angles
NA
π/2, π/2, 2 π/3
7 Lattice C/A Ratio
Properties of C..
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Not Available
Rank: N/A (Overall)▶
1.62
Rank: 2 (Overall)▶
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Properties of Beryllium
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9 Adjacent Atomic Numbers
9.1 Next Element
9.2 Previous Element
10 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
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3.00 nΩ·m
Rank: 52 (Overall)▶
615.00 nΩ·m
Rank: 7 (Overall)▶
▲
Properties of Thallium
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2.2 Electrical Conductivity
Properties of S..
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0.03 106/cm Ω
Rank: 40 (Overall)▶
0.01 106/cm Ω
Rank: 51 (Overall)▶
▲
Properties of Plutonium
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2.4 Electron Affinity
Properties of G..
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Not Available
Rank: N/A (Overall)▶
48.00 kJ/mol
Rank: 23 (Overall)▶
▲
Properties of Mercury
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2.6 Electrical Property
Poor Conductor
Conductor
3 Magnetic Characteristics
3.1 Specific Gravity
Properties of C..
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Not Available
Rank: N/A (Overall)▶
6.17
Rank: 52 (Overall)▶
▲
Properties of Lithium
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4.1 Magnetic Ordering
Paramagnetic
Paramagnetic
4.2 Permeability
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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4.3 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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11 Thermal
1 Specific Heat
Properties of L..
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Not Available
Rank: N/A (Overall)▶
0.19 J/(kg K)
Rank: 32 (Overall)▶
▲
Properties of Americium
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2 Thermal Conductivity
Properties of S..
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15.00 W/m·K
Rank: 54 (Overall)▶
13.40 W/m·K
Rank: 57 (Overall)▶
▲
Properties of Neptunium
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◀ ▶ ADD ⊕
3 Critical Temperature
Properties of L..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Ytterbium
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4 Molar Heat Capacity
Properties of A..
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Not Available
Rank: N/A (Overall)▶
27.11 J/mol·K
Rank: 21 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
5 Thermal Expansion
Properties of C..
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Not Available
Rank: N/A (Overall)▶
12.10 µm/(m·K)
Rank: 32 (Overall)▶
▲
Properties of Tungsten
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◀ ▶ ADD ⊕
6 Standard Molar Entropy
Properties of P..
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Not Available
Rank: N/A (Overall)▶
56.90 J/mol.K
Rank: 23 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
7 Enthalpy
7.1 Enthalpy of Vaporization
Properties of T..
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Not Available
Rank: N/A (Overall)▶
399.60 kJ/mol
Rank: 17 (Overall)▶
▲
Properties of Zinc
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◀ ▶ ADD ⊕
7.2 Enthalpy of Fusion
Properties of T..
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Not Available
Rank: N/A (Overall)▶
6.20 kJ/mol
Rank: 49 (Overall)▶
▲
Properties of Cesium
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◀ ▶ ADD ⊕
7.3 Enthalpy of Atomization
Properties of T..
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71.00 kJ/mol
Rank: 61 (Overall)▶
431.00 kJ/mol
Rank: 16 (Overall)▶
▲
Properties of Mercury
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◀ ▶ ADD ⊕

Compare All Metals

Francium MetalNeptunium
Francium vs Neptunium
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Francium vs Einsteinium
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Francium vs Actinium

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