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Americium
Americium
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Neptunium
Neptunium
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Americium
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Neptunium

Properties of Americium and Neptunium
Add ⊕
1 Physical
1 Melting Point
Properties of T..
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▶
▼
994.00 °C
Rank: 45 (Overall)▶
640.00 °C
Rank: 62 (Overall)▶
▲
Properties of Francium
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3 Boiling Point
Properties of T..
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▼
2,607.00 °C
Rank: 41 (Overall)▶
3,902.00 °C
Rank: 13 (Overall)▶
▲
Properties of Flerovium
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6 Hardness
6.1 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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6.3 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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◀ ▶ ADD ⊕
8.2 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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3 Optical Properties
3.1 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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4.3 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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◀ ▶ ADD ⊕
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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8 Allotropes
✔ ✘
No Actinide Series Metals has it !
✔ ✘
No Actinide Series Metals has it !
8.1 α Allotropes
Not Available
Not Available
8.2 β Allotropes
Not Available
Not Available
8.3 γ Allotropes
Not Available
Not Available
4 Chemical
1 Chemical Formula
Am
Np
2 Isotopes
2.1 Known Isotopes
Properties of P..
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▼
16
Rank: 23 (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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1.30
Rank: 32 (Overall)▶
1.36
Rank: 29 (Overall)▶
▲
Properties of Francium
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◀ ▶ ADD ⊕
3.3 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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3.5 Allred Rochow Electronegativity
Properties of G..
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1.20
Rank: 27 (Overall)▶
1.22
Rank: 26 (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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2.70
Rank: 22 (Overall)▶
2.64
Rank: 25 (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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578.00 kJ/mol
Rank: 65 (Overall)▶
604.50 kJ/mol
Rank: 50 (Overall)▶
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Properties of Cesium
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5.2 2nd Energy Level
Properties of C..
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1,158.00 kJ/mol
Rank: 67 (Overall)▶
1,128.00 kJ/mol
Rank: 72 (Overall)▶
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Properties of Ruthenium
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5.4 3rd Energy Level
Properties of C..
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2,132.00 kJ/mol
Rank: 68 (Overall)▶
1,997.00 kJ/mol
Rank: 74 (Overall)▶
▲
Properties of Osmium
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6 Electrochemical Equivalent
Properties of F..
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3.02 g/amp-hr
Rank: 17 (Overall)▶
1.77 g/amp-hr
Rank: 39 (Overall)▶
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Properties of Beryllium
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◀ ▶ ADD ⊕
7 Electron Work Function
Properties of P..
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▼
Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Cesium
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◀ ▶ ADD ⊕
8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity, Solubility
5 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
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▼
12.00 g/cm3
Rank: 30 (Overall)▶
19.38 g/cm3
Rank: 14 (Overall)▶
▲
Properties of Lithium
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1.4 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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2 Vapor Pressure
2.1 Vapor Pressure at 1000 K
Properties of S..
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0.00 (Pa)
Rank: 13 (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)▶
0.11 (Pa)
Rank: 17 (Overall)▶
▲
Properties of Tungsten
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3 Tensile Strength
Properties of I..
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Not Available
Rank: N/A (Overall)▶
125.00 MPa
Rank: 14 (Overall)▶
▲
Properties of Indium
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◀ ▶ ADD ⊕
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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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Properties of Potassium
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5.2 Bulk Modulus
Properties of O..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Cesium
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5.4 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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6 Poisson Ratio
Properties of G..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Beryllium
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7 Other Mechanical Properties
NA
Ductile
6 Periodic Table
1 Symbol
Am
Np
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)▶
7
Rank: 1 (Overall)▶
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Properties of Lithium
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4 Block
f block
f block
5 Element Family
Actinide
Actinide
7 Atomic
1 Atomic Number
Properties of T..
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95
Rank: 23 (Overall)▶
93
Rank: 25 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
2 Atomic Weight
Properties of T..
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243.00 amu
Rank: 20 (Overall)▶
237.00 amu
Rank: 22 (Overall)▶
▲
Properties of Lithium
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3 Atomic Volume
Properties of C..
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17.86 cm3/mol
Rank: 29 (Overall)▶
11.62 cm3/mol
Rank: 43 (Overall)▶
▲
Properties of Manganese
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5 Electron Configuration
[Rn] 5f7 7s2
[Rn] 5f4 6d1 7s2
6 Valence Electron Potential
Properties of P..
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44.00 (-eV)
Rank: 40 (Overall)▶
96.00 (-eV)
Rank: 9 (Overall)▶
▲
Properties of Francium
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7 Atom
7.1 Number of Protons
Properties of T..
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▼
95
Rank: 23 (Overall)▶
93
Rank: 25 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
8.1 Number of Neutrons
Properties of F..
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▼
148
Rank: 12 (Overall)▶
144
Rank: 14 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
1.1 Number of Electrons
Properties of T..
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▼
95
Rank: 23 (Overall)▶
93
Rank: 25 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
5 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Orthorhombic (ORTH)
5.1 Crystal Lattice
6 Radius of an Atom
6.1 Atomic Radius
Properties of C..
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173.00 pm
Rank: 21 (Overall)▶
155.00 pm
Rank: 30 (Overall)▶
▲
Properties of Beryllium
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6.4 Covalent Radius
Properties of F..
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180.00 pm
Rank: 21 (Overall)▶
190.00 pm
Rank: 18 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
7.2 Van der Waals Radius
Properties of F..
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244.00 pm
Rank: 10 (Overall)▶
221.00 pm
Rank: 22 (Overall)▶
▲
Properties of Zinc
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8 Lattice Constant
Properties of M..
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346.81 pm
Rank: 44 (Overall)▶
666.30 pm
Rank: 3 (Overall)▶
▲
Properties of Beryllium
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9 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
10 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 ⊕
12 Adjacent Atomic Numbers
12.1 Next Element
12.2 Previous Element
9 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
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0.69 nΩ·m
Rank: 66 (Overall)▶
1.22 nΩ·m
Rank: 59 (Overall)▶
▲
Properties of Thallium
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◀ ▶ ADD ⊕
4.1 Electrical Conductivity
Properties of S..
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0.02 106/cm Ω
Rank: 43 (Overall)▶
0.01 106/cm Ω
Rank: 61 (Overall)▶
▲
Properties of Plutonium
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◀ ▶ ADD ⊕
5.1 Electron Affinity
Properties of G..
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▼
Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Mercury
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◀ ▶ ADD ⊕
5.2 Electrical Property
Unknown
Conductor
6 Magnetic Characteristics
6.1 Specific Gravity
Properties of C..
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13.67
Rank: 15 (Overall)▶
20.25
Rank: 6 (Overall)▶
▲
Properties of Lithium
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◀ ▶ ADD ⊕
8.1 Magnetic Ordering
Paramagnetic
Paramagnetic
8.2 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 ⊕
1.2 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 ⊕
11 Thermal
1 Specific Heat
Properties of L..
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0.11 J/(kg K)
Rank: 41 (Overall)▶
0.12 J/(kg K)
Rank: 40 (Overall)▶
▲
Properties of Americium
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◀ ▶ ADD ⊕
3 Thermal Conductivity
Properties of S..
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▼
10.00 W/m·K
Rank: 65 (Overall)▶
6.30 W/m·K
Rank: 70 (Overall)▶
▲
Properties of Neptunium
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◀ ▶ ADD ⊕
6 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 ⊕
7 Molar Heat Capacity
Properties of A..
⊕
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▼
62.70 J/mol·K
Rank: 1 (Overall)▶
29.46 J/mol·K
Rank: 8 (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
9 Thermal Expansion
Properties of C..
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▼
Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Tungsten
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◀ ▶ ADD ⊕
10 Standard Molar Entropy
Properties of P..
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▼
Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Beryllium
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◀ ▶ ADD ⊕
11 Enthalpy
11.1 Enthalpy of Vaporization
Properties of T..
⊕
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▼
Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Zinc
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◀ ▶ ADD ⊕
12.1 Enthalpy of Fusion
Properties of T..
⊕
▶
▼
14.39 kJ/mol
Rank: 24 (Overall)▶
3.20 kJ/mol
Rank: 56 (Overall)▶
▲
Properties of Cesium
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◀ ▶ ADD ⊕
1.2 Enthalpy of Atomization
Properties of T..
⊕
▶
▼
268.00 kJ/mol
Rank: 40 (Overall)▶
Not Available
Rank: N/A (Overall)▶
▲
Properties of Mercury
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▶
◀ ▶ ADD ⊕

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