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Neptunium
Neptunium
☒

Nihonium
Nihonium
☒

☒

☒

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X
Neptunium
X
Nihonium

Properties of Neptunium and Nihonium
Add ⊕
1 Physical
1 Melting Point
Properties of T..
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640.00 °C
Rank: 62 (Overall)▶
430.00 °C
Rank: 64 (Overall)▶
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Properties of Francium
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2 Boiling Point
Properties of T..
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3,902.00 °C
Rank: 13 (Overall)▶
1,130.00 °C
Rank: 65 (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)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Cesium
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3.2 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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4.1 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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1 Optical Properties
1.1 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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3.1 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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5 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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1 Allotropes
✔ ✘
No Actinide Series Metals has it !
✔ ✘
No Synthetic Metals 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
4 Chemical
1 Chemical Formula
Np
Nh
2 Isotopes
2.1 Known Isotopes
Properties of P..
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20
Rank: 19 (Overall)▶
7
Rank: 31 (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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1.36
Rank: 29 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Francium
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4.1 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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5.1 Allred Rochow Electronegativity
Properties of G..
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1.22
Rank: 26 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Cesium
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7.1 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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7.2 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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9 Electropositivity
9.1 Pauling Electropositivity
Properties of F..
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2.64
Rank: 25 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Gold
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10 Ionization Energies
10.1 1st Energy Level
Properties of C..
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604.50 kJ/mol
Rank: 50 (Overall)▶
704.90 kJ/mol
Rank: 34 (Overall)▶
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Properties of Cesium
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10.3 2nd Energy Level
Properties of C..
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1,128.00 kJ/mol
Rank: 72 (Overall)▶
2,238.50 kJ/mol
Rank: 7 (Overall)▶
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Properties of Ruthenium
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10.5 3rd Energy Level
Properties of C..
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1,997.00 kJ/mol
Rank: 74 (Overall)▶
3,023.30 kJ/mol
Rank: 26 (Overall)▶
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Properties of Osmium
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13 Electrochemical Equivalent
Properties of F..
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1.77 g/amp-hr
Rank: 39 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Beryllium
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14 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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15 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Ionization
5 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
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19.38 g/cm3
Rank: 14 (Overall)▶
16.00 g/cm3
Rank: 19 (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)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Lithium
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3 Vapor Pressure
3.1 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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3.2 Vapor Pressure at 2000 K
Properties of C..
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0.11 (Pa)
Rank: 17 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Tungsten
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6 Tensile Strength
Properties of I..
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125.00 MPa
Rank: 14 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Indium
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2 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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3 Elasticity properties
3.1 Shear Modulus
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 Potassium
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3.3 Bulk Modulus
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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3.4 Young's Modulus
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 Cesium
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4 Poisson Ratio
Properties of G..
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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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6 Other Mechanical Properties
Ductile
Unknown
7 Periodic Table
1 Symbol
Np
Nh
2 Group Number
Properties of T..
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Not Available
Rank: N/A (Overall)▶
13
Rank: 5 (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)▶
7
Rank: 1 (Overall)▶
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Properties of Lithium
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4 Block
f block
p block
5 Element Family
Actinide
Probably Post-​Transition
8 Atomic
1 Atomic Number
Properties of T..
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93
Rank: 25 (Overall)▶
113
Rank: 5 (Overall)▶
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Properties of Lithium
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2 Atomic Weight
Properties of T..
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237.00 amu
Rank: 22 (Overall)▶
286.00 amu
Rank: 4 (Overall)▶
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Properties of Lithium
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2 Atomic Volume
Properties of C..
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11.62 cm3/mol
Rank: 43 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Manganese
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4 Electron Configuration
[Rn] 5f4 6d1 7s2
[Rn] 5f14 6d10 7s2 7p1
5 Valence Electron Potential
Properties of P..
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96.00 (-eV)
Rank: 9 (Overall)▶
Not Available
Rank: N/A (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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93
Rank: 25 (Overall)▶
113
Rank: 5 (Overall)▶
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Properties of Lithium
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7.1 Number of Neutrons
Properties of F..
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144
Rank: 14 (Overall)▶
150
Rank: 11 (Overall)▶
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Properties of Lithium
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8.1 Number of Electrons
Properties of T..
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93
Rank: 25 (Overall)▶
113
Rank: 5 (Overall)▶
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Properties of Lithium
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9 Crystal Structure
Orthorhombic (ORTH)
Not Known
9.1 Crystal Lattice
10 Radius of an Atom
10.1 Atomic Radius
Properties of C..
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155.00 pm
Rank: 30 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Beryllium
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11.1 Covalent Radius
Properties of F..
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190.00 pm
Rank: 18 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Beryllium
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12.1 Van der Waals Radius
Properties of F..
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221.00 pm
Rank: 22 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Zinc
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14 Lattice Constant
Properties of M..
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666.30 pm
Rank: 3 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Beryllium
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15 Lattice Angles
π/2, π/2, π/2
NA
16 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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17 Adjacent Atomic Numbers
17.1 Next Element
17.2 Previous Element
10 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
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1.22 nΩ·m
Rank: 59 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Thallium
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1.3 Electrical Conductivity
Properties of S..
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0.01 106/cm Ω
Rank: 61 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Plutonium
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1.4 Electron Affinity
Properties of G..
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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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1.5 Electrical Property
Conductor
Unknown
2 Magnetic Characteristics
2.1 Specific Gravity
Properties of C..
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20.25
Rank: 6 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Lithium
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2.2 Magnetic Ordering
Paramagnetic
Unknown
2.3 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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2.4 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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0.12 J/(kg K)
Rank: 40 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Americium
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2 Thermal Conductivity
Properties of S..
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6.30 W/m·K
Rank: 70 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Neptunium
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3 Critical Temperature
Properties of L..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Ytterbium
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4 Molar Heat Capacity
Properties of A..
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29.46 J/mol·K
Rank: 8 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Beryllium
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5 Thermal Expansion
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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6 Standard Molar Entropy
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 Beryllium
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7 Enthalpy
7.1 Enthalpy of Vaporization
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 Zinc
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7.2 Enthalpy of Fusion
Properties of T..
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3.20 kJ/mol
Rank: 56 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Cesium
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7.3 Enthalpy of Atomization
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 Mercury
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◀ ▶ ADD ⊕

Compare Actinide Series » More

NeptuniumMendelevium
Neptunium vs Mendelevium
NeptuniumProtactinium
Neptunium vs Protactinium
NeptuniumBerkelium
Neptunium vs Berkelium

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