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Protactinium
Protactinium
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Erbium
Erbium
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Protactinium
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Erbium

Properties of Protactinium and Erbium
Add ⊕
1 Physical
1 Melting Point
Properties of T..
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▼
1,568.00 °C
Rank: 21 (Overall)▶
1,522.00 °C
Rank: 28 (Overall)▶
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Properties of Francium
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3 Boiling Point
Properties of T..
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4,027.00 °C
Rank: 12 (Overall)▶
2,510.00 °C
Rank: 44 (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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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Cesium
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2.1 Brinell Hardness
Properties of O..
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Not Available
Rank: N/A (Overall)▶
814.00 MPa
Rank: 11 (Overall)▶
▲
Properties of Cesium
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5.1 Vickers Hardness
Properties of T..
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Not Available
Rank: N/A (Overall)▶
589.00 MPa
Rank: 19 (Overall)▶
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Properties of Palladium
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6 Optical Properties
6.1 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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7.2 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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8 Speed of Sound
Properties of T..
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Not Available
Rank: N/A (Overall)▶
2,830.00 m/s
Rank: 28 (Overall)▶
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Properties of Thallium
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9 Allotropes
✔ ✘
No Actinide Series Metals has it !
✔ ✘
No Lanthanide Series 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
4 Chemical
1 Chemical Formula
Pa
Er
2 Isotopes
3.1 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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5 Electronegativity
5.1 Pauling Electronegativity
Properties of G..
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1.50
Rank: 27 (Overall)▶
1.24
Rank: 36 (Overall)▶
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Properties of Francium
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5.3 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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5.5 Allred Rochow Electronegativity
Properties of G..
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1.14
Rank: 28 (Overall)▶
1.11
Rank: 29 (Overall)▶
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Properties of Cesium
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6.1 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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8.1 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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2 Electropositivity
2.1 Pauling Electropositivity
Properties of F..
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2.50
Rank: 27 (Overall)▶
2.76
Rank: 18 (Overall)▶
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Properties of Gold
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3 Ionization Energies
3.1 1st Energy Level
Properties of C..
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568.00 kJ/mol
Rank: 68 (Overall)▶
589.30 kJ/mol
Rank: 59 (Overall)▶
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Properties of Cesium
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3.3 2nd Energy Level
Properties of C..
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1,128.00 kJ/mol
Rank: 72 (Overall)▶
1,150.00 kJ/mol
Rank: 68 (Overall)▶
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Properties of Ruthenium
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4.2 3rd Energy Level
Properties of C..
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1,814.00 kJ/mol
Rank: 81 (Overall)▶
2,194.00 kJ/mol
Rank: 65 (Overall)▶
▲
Properties of Osmium
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5 Electrochemical Equivalent
Properties of F..
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1.72 g/amp-hr
Rank: 43 (Overall)▶
2.08 g/amp-hr
Rank: 28 (Overall)▶
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Properties of Beryllium
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◀ ▶ ADD ⊕
6 Electron Work Function
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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◀ ▶ ADD ⊕
7 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Solubility
6 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
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▼
15.37 g/cm3
Rank: 20 (Overall)▶
9.07 g/cm3
Rank: 42 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
1.2 Density When Liquid (at m.p.)
Properties of O..
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Not Available
Rank: N/A (Overall)▶
8.86 g/cm3
Rank: 23 (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)▶
0.00 (Pa)
Rank: 20 (Overall)▶
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Properties of Cerium
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2.2 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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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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5 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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7 Elasticity properties
7.1 Shear Modulus
Properties of O..
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Not Available
Rank: N/A (Overall)▶
28.30 GPa
Rank: 25 (Overall)▶
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Properties of Potassium
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7.2 Bulk Modulus
Properties of O..
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Not Available
Rank: N/A (Overall)▶
44.40 GPa
Rank: 27 (Overall)▶
▲
Properties of Cesium
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8.1 Young's Modulus
Properties of I..
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Not Available
Rank: N/A (Overall)▶
69.90 GPa
Rank: 29 (Overall)▶
▲
Properties of Cesium
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9 Poisson Ratio
Properties of G..
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Not Available
Rank: N/A (Overall)▶
0.24
Rank: 28 (Overall)▶
▲
Properties of Beryllium
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11 Other Mechanical Properties
Unknown
Malleable
8 Periodic Table
1 Symbol
Pa
Er
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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7
Rank: 1 (Overall)▶
6
Rank: 2 (Overall)▶
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Properties of Lithium
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◀ ▶ ADD ⊕
5 Block
f block
f block
6 Element Family
Actinide
Lanthanide
9 Atomic
1 Atomic Number
Properties of T..
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91
Rank: 27 (Overall)▶
68
Rank: 48 (Overall)▶
▲
Properties of Lithium
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2 Atomic Weight
Properties of T..
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231.04 amu
Rank: 24 (Overall)▶
167.26 amu
Rank: 43 (Overall)▶
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Properties of Lithium
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4 Atomic Volume
Properties of C..
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15.00 cm3/mol
Rank: 34 (Overall)▶
18.40 cm3/mol
Rank: 25 (Overall)▶
▲
Properties of Manganese
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5 Electron Configuration
[Rn] 5f2 6d1 7s2
[Xe] 4f12 6s2
6 Valence Electron Potential
Properties of P..
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92.00 (-eV)
Rank: 11 (Overall)▶
49.00 (-eV)
Rank: 29 (Overall)▶
▲
Properties of Francium
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7 Atom
7.1 Number of Protons
Properties of T..
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91
Rank: 27 (Overall)▶
68
Rank: 47 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
7.2 Number of Neutrons
Properties of F..
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122
Rank: 21 (Overall)▶
99
Rank: 33 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
7.4 Number of Electrons
Properties of T..
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▼
91
Rank: 27 (Overall)▶
68
Rank: 47 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
8 Crystal Structure
Tetragonal (TETR)
Hexagonal Close Packed (HCP)
8.1 Crystal Lattice
9 Radius of an Atom
9.1 Atomic Radius
Properties of C..
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163.00 pm
Rank: 25 (Overall)▶
176.00 pm
Rank: 18 (Overall)▶
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Properties of Beryllium
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◀ ▶ ADD ⊕
9.2 Covalent Radius
Properties of F..
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200.00 pm
Rank: 11 (Overall)▶
189.00 pm
Rank: 19 (Overall)▶
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Properties of Beryllium
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◀ ▶ ADD ⊕
9.3 Van der Waals Radius
Properties of F..
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243.00 pm
Rank: 11 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Zinc
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10 Lattice Constant
Properties of M..
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392.50 pm
Rank: 23 (Overall)▶
355.88 pm
Rank: 39 (Overall)▶
▲
Properties of Beryllium
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11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
12 Lattice C/A Ratio
Properties of C..
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Not Available
Rank: N/A (Overall)▶
1.57
Rank: 17 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
13 Adjacent Atomic Numbers
13.1 Next Element
13.2 Previous Element
10 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
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177.00 nΩ·m
Rank: 21 (Overall)▶
0.86 nΩ·m
Rank: 63 (Overall)▶
▲
Properties of Thallium
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◀ ▶ ADD ⊕
1.2 Electrical Conductivity
Properties of S..
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0.05 106/cm Ω
Rank: 34 (Overall)▶
0.01 106/cm Ω
Rank: 53 (Overall)▶
▲
Properties of Plutonium
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◀ ▶ ADD ⊕
1.3 Electron Affinity
Properties of G..
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Not Available
Rank: N/A (Overall)▶
50.00 kJ/mol
Rank: 21 (Overall)▶
▲
Properties of Mercury
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◀ ▶ ADD ⊕
1.4 Electrical Property
Conductor
Conductor
2 Magnetic Characteristics
2.1 Specific Gravity
Properties of C..
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15.37
Rank: 12 (Overall)▶
9.07
Rank: 32 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
2.2 Magnetic Ordering
Paramagnetic
Paramagnetic
2.3 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 ⊕
2.4 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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11 Thermal
1 Specific Heat
Properties of L..
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0.12 J/(kg K)
Rank: 40 (Overall)▶
0.17 J/(kg K)
Rank: 34 (Overall)▶
▲
Properties of Americium
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◀ ▶ ADD ⊕
2 Thermal Conductivity
Properties of S..
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47.00 W/m·K
Rank: 32 (Overall)▶
14.50 W/m·K
Rank: 55 (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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◀ ▶ ADD ⊕
4 Molar Heat Capacity
Properties of A..
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▼
Not Available
Rank: N/A (Overall)▶
28.12 J/mol·K
Rank: 11 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
5 Thermal Expansion
Properties of C..
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▼
9.90 µm/(m·K)
Rank: 40 (Overall)▶
12.20 µm/(m·K)
Rank: 31 (Overall)▶
▲
Properties of Tungsten
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◀ ▶ ADD ⊕
6 Standard Molar Entropy
Properties of P..
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198.10 J/mol.K
Rank: 1 (Overall)▶
73.10 J/mol.K
Rank: 11 (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)▶
261.00 kJ/mol
Rank: 35 (Overall)▶
▲
Properties of Zinc
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◀ ▶ ADD ⊕
7.2 Enthalpy of Fusion
Properties of T..
⊕
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▼
12.34 kJ/mol
Rank: 28 (Overall)▶
17.20 kJ/mol
Rank: 15 (Overall)▶
▲
Properties of Cesium
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◀ ▶ ADD ⊕
7.3 Enthalpy of Atomization
Properties of T..
⊕
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▼
Not Available
Rank: N/A (Overall)▶
314.00 kJ/mol
Rank: 33 (Overall)▶
▲
Properties of Mercury
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◀ ▶ ADD ⊕

Compare Actinide Series » More

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Protactinium vs Plutonium
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Protactinium vs Californium
ProtactiniumThorium MEtal
Protactinium vs Thorium

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