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Promethium
Promethium
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Europium
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Promethium
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Europium

Properties of Promethium and Europium
Add ⊕
1 Physical
1 Melting Point
Properties of T..
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▼
1,042.00 °C
Rank: 43 (Overall)▶
822.00 °C
Rank: 55 (Overall)▶
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Properties of Francium
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3 Boiling Point
Properties of T..
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3,000.00 °C
Rank: 31 (Overall)▶
1,597.00 °C
Rank: 56 (Overall)▶
▲
Properties of Flerovium
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4 Hardness
4.1 Mohs Hardness
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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4.3 Brinell Hardness
Properties of O..
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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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4.5 Vickers Hardness
Properties of T..
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Not Available
Rank: N/A (Overall)▶
167.00 MPa
Rank: 34 (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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5.2 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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◀ ▶ ADD ⊕
6 Speed of Sound
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 Thallium
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7 Allotropes
✔ ✘
No Lanthanide Series Metals has it !
✔ ✘
No Lanthanide Series Metals has it !
7.1 α Allotropes
Not Available
Not Available
7.2 β Allotropes
Not Available
Not Available
7.3 γ Allotropes
Not Available
Not Available
2 Chemical
1 Chemical Formula
Pm
Eu
2 Isotopes
2.1 Known Isotopes
Properties of P..
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27
Rank: 12 (Overall)▶
31
Rank: 8 (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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Not Available
Rank: N/A (Overall)▶
1.20
Rank: 39 (Overall)▶
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Properties of Francium
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3.3 Sanderson Electronegativity
Properties of C..
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Not Available
Rank: N/A (Overall)▶
1.01
Rank: 22 (Overall)▶
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Properties of Cesium
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3.5 Allred Rochow Electronegativity
Properties of G..
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1.07
Rank: 32 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Cesium
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3.7 Mulliken-Jaffe Electronegativity
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 Cesium
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3.9 Allen Electronegativity
Properties of B..
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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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4 Electropositivity
4.1 Pauling Electropositivity
Properties of F..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (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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540.00 kJ/mol
Rank: 73 (Overall)▶
547.10 kJ/mol
Rank: 71 (Overall)▶
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Properties of Cesium
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5.3 2nd Energy Level
Properties of C..
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1,050.00 kJ/mol
Rank: 78 (Overall)▶
1,085.00 kJ/mol
Rank: 74 (Overall)▶
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Properties of Ruthenium
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5.6 3rd Energy Level
Properties of C..
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2,150.00 kJ/mol
Rank: 67 (Overall)▶
2,404.00 kJ/mol
Rank: 51 (Overall)▶
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Properties of Osmium
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6 Electrochemical Equivalent
Properties of F..
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1.80 g/amp-hr
Rank: 36 (Overall)▶
1.89 g/amp-hr
Rank: 33 (Overall)▶
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Properties of Beryllium
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7 Electron Work Function
Properties of P..
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Not Available
Rank: N/A (Overall)▶
2.50 eV
Rank: 43 (Overall)▶
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Properties of Cesium
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8 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Solubility
3 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
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7.26 g/cm3
Rank: 56 (Overall)▶
5.26 g/cm3
Rank: 69 (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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Not Available
Rank: N/A (Overall)▶
5.13 g/cm3
Rank: 47 (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)▶
19.40 (Pa)
Rank: 4 (Overall)▶
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Properties of Cerium
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2.4 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)▶
120.00 MPa
Rank: 15 (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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6 Elasticity properties
6.1 Shear Modulus
Properties of O..
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18.00 GPa
Rank: 36 (Overall)▶
7.90 GPa
Rank: 44 (Overall)▶
▲
Properties of Potassium
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6.2 Bulk Modulus
Properties of O..
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33.00 GPa
Rank: 36 (Overall)▶
8.30 GPa
Rank: 46 (Overall)▶
▲
Properties of Cesium
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7.1 Young's Modulus
Properties of I..
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46.00 GPa
Rank: 38 (Overall)▶
18.20 GPa
Rank: 47 (Overall)▶
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Properties of Cesium
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2 Poisson Ratio
Properties of G..
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0.28
Rank: 17 (Overall)▶
0.15
Rank: 34 (Overall)▶
▲
Properties of Beryllium
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6 Other Mechanical Properties
NA
Ductile
5 Periodic Table
1 Symbol
Pm
Eu
2 Group Number
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 Gadolinium
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3 Period Number
Properties of U..
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6
Rank: 2 (Overall)▶
6
Rank: 2 (Overall)▶
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Properties of Lithium
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4 Block
f block
f block
5 Element Family
Lanthanide
Lanthanide
6 Atomic
1 Atomic Number
Properties of T..
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61
Rank: 55 (Overall)▶
63
Rank: 53 (Overall)▶
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Properties of Lithium
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2 Atomic Weight
Properties of T..
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▼
145.00 amu
Rank: 49 (Overall)▶
151.96 amu
Rank: 47 (Overall)▶
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Properties of Lithium
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4 Atomic Volume
Properties of C..
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22.39 cm3/mol
Rank: 12 (Overall)▶
28.90 cm3/mol
Rank: 8 (Overall)▶
▲
Properties of Manganese
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5 Electron Configuration
[Xe] 4f5 6s2
[Xe] 4f7 6s2
6 Valence Electron Potential
Properties of P..
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▼
44.10 (-eV)
Rank: 39 (Overall)▶
45.60 (-eV)
Rank: 35 (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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▼
61
Rank: 54 (Overall)▶
63
Rank: 52 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
7.2 Number of Neutrons
Properties of F..
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▼
84
Rank: 40 (Overall)▶
89
Rank: 38 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
8.1 Number of Electrons
Properties of T..
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▼
61
Rank: 54 (Overall)▶
63
Rank: 52 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
10 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Body Centered Cubic (BCC)
10.1 Crystal Lattice
11 Radius of an Atom
11.1 Atomic Radius
Properties of C..
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183.00 pm
Rank: 10 (Overall)▶
180.00 pm
Rank: 14 (Overall)▶
▲
Properties of Beryllium
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13.1 Covalent Radius
Properties of F..
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199.00 pm
Rank: 12 (Overall)▶
198.00 pm
Rank: 13 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
14.1 Van der Waals Radius
Properties of F..
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236.00 pm
Rank: 16 (Overall)▶
233.00 pm
Rank: 18 (Overall)▶
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Properties of Zinc
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17 Lattice Constant
Properties of M..
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Not Available
Rank: N/A (Overall)▶
458.10 pm
Rank: 17 (Overall)▶
▲
Properties of Beryllium
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2 Lattice Angles
Unknown
π/2, π/2, π/2
3 Lattice C/A Ratio
Properties of C..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
4 Adjacent Atomic Numbers
4.1 Next Element
4.2 Previous Element
8 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
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▶
▼
0.75 nΩ·m
Rank: 64 (Overall)▶
0.90 nΩ·m
Rank: 62 (Overall)▶
▲
Properties of Thallium
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◀ ▶ ADD ⊕
1.3 Electrical Conductivity
Properties of S..
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▼
Not Available
Rank: N/A (Overall)▶
0.01 106/cm Ω
Rank: 55 (Overall)▶
▲
Properties of Plutonium
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◀ ▶ ADD ⊕
2.1 Electron Affinity
Properties of G..
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▼
50.00 kJ/mol
Rank: 21 (Overall)▶
50.00 kJ/mol
Rank: 21 (Overall)▶
▲
Properties of Mercury
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◀ ▶ ADD ⊕
3.1 Electrical Property
Conductor
Conductor
4 Magnetic Characteristics
4.1 Specific Gravity
Properties of C..
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▼
7.26
Rank: 43 (Overall)▶
5.24
Rank: 55 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
5.2 Magnetic Ordering
Paramagnetic
Paramagnetic
5.3 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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◀ ▶ ADD ⊕
5.5 Susceptibility
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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◀ ▶ ADD ⊕
9 Thermal
1 Specific Heat
Properties of L..
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▼
0.18 J/(kg K)
Rank: 33 (Overall)▶
0.18 J/(kg K)
Rank: 33 (Overall)▶
▲
Properties of Americium
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◀ ▶ ADD ⊕
2 Thermal Conductivity
Properties of S..
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▼
17.90 W/m·K
Rank: 47 (Overall)▶
13.90 W/m·K
Rank: 56 (Overall)▶
▲
Properties of Neptunium
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◀ ▶ ADD ⊕
3 Critical Temperature
Properties of L..
⊕
▶
▼
Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Ytterbium
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◀ ▶ ADD ⊕
5 Molar Heat Capacity
Properties of A..
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▼
Not Available
Rank: N/A (Overall)▶
27.66 J/mol·K
Rank: 16 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
2 Thermal Expansion
Properties of C..
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▼
9.00 µm/(m·K)
Rank: 43 (Overall)▶
35.00 µm/(m·K)
Rank: 8 (Overall)▶
▲
Properties of Tungsten
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◀ ▶ ADD ⊕
3 Standard Molar Entropy
Properties of P..
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▼
Not Available
Rank: N/A (Overall)▶
77.80 J/mol.K
Rank: 4 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
4 Enthalpy
4.1 Enthalpy of Vaporization
Properties of T..
⊕
▶
▼
Not Available
Rank: N/A (Overall)▶
143.50 kJ/mol
Rank: 48 (Overall)▶
▲
Properties of Zinc
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◀ ▶ ADD ⊕
4.3 Enthalpy of Fusion
Properties of T..
⊕
▶
▼
7.50 kJ/mol
Rank: 43 (Overall)▶
9.21 kJ/mol
Rank: 37 (Overall)▶
▲
Properties of Cesium
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◀ ▶ ADD ⊕
4.4 Enthalpy of Atomization
Properties of T..
⊕
▶
▼
310.00 kJ/mol
Rank: 34 (Overall)▶
180.00 kJ/mol
Rank: 47 (Overall)▶
▲
Properties of Mercury
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▶
◀ ▶ ADD ⊕

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Promethium vs Holmium

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