1 Physical
1 Melting Point
3,410.00 °C97.72 °C
27
3410
2 Boiling Point
5,660.00 °C883.00 °C
147
5660
3 Hardness
3.1 Mohs Hardness
3.2 Brinell Hardness
2,000.00 MPa0.69 MPa
0.14
3490
3.3 Vickers Hardness
4 Optical Properties
4.1 Refractive Index
4.2 Reflectivity
5 Speed of Sound
4,620.00 m/s3,200.00 m/s
818
16200
6 Allotropes
6.1 α Allotropes
Not Available
Not Available
6.2 β Allotropes
Not Available
Not Available
6.3 γ Allotropes
Not Available
Not Available
2 Chemical
1 Chemical Formula
2 Isotopes
2.1 Known Isotopes
3 Electronegativity
3.1 Pauling Electronegativity
3.2 Sanderson Electronegativity
3.3 Allred Rochow Electronegativity
3.4 Mulliken-Jaffe Electronegativity
3.5 Allen Electronegativity
4 Electropositivity
4.1 Pauling Electropositivity
5 Ionization Energies
5.1 1st Energy Level
770.00 kJ/mol495.80 kJ/mol
375.7
26130
5.2 2nd Energy Level
1,700.00 kJ/mol4,562.00 kJ/mol
710.2162
28750
5.3 3rd Energy Level
NA6,910.30 kJ/mol
1600
34230
6 Electrochemical Equivalent
1.14 g/amp-hr0.86 g/amp-hr
0.16812
8.3209
7 Electron Work Function
8 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Corrosion, Flammability, Ionization, Solubility
3 Mechanical
1 Density
1.1 Density At Room Temperature
19.25 g/cm30.97 g/cm3
0.534
40.7
1.2 Density When Liquid (at m.p.)
17.60 g/cm30.93 g/cm3
0.512
20
2 Vapor Pressure
2.1 Vapor Pressure at 1000 K
2.2 Vapor Pressure at 2000 K
3 Tensile Strength
4 Viscosity
5 Elasticity properties
5.1 Shear Modulus
161.00 GPa3.30 GPa
1.3
222
5.2 Bulk Modulus
310.00 GPa6.30 GPa
1.6
462
5.3 Young's Modulus
411.00 GPa10.00 GPa
1.7
528
6 Poisson Ratio
7 Other Mechanical Properties
4 Periodic Table
1 Symbol
2 Group Number
3 Period Number
4 Block
5 Element Family
5 Atomic
1 Atomic Number
2 Atomic Weight
183.84 amu22.99 amu
6.94
294
3 Atomic Volume
9.53 cm3/mol23.70 cm3/mol
1.39
71.07
4 Electron Configuration
[Xe] 4f14 5d4 6s2
[Ne] 3s1
5 Valence Electron Potential
140.00 (-eV)14.10 (-eV)
8
392.42
6 Atom
6.1 Number of Protons
6.2 Number of Neutrons
6.3 Number of Electrons
7 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
7.1 Crystal Lattice
8 Radius of an Atom
8.1 Atomic Radius
139.00 pm186.00 pm
112
265
8.2 Covalent Radius
162.00 pm166.00 pm
96
260
8.3 Van der Waals Radius
200.00 pm227.00 pm
139
348
9 Lattice Constant
316.52 pm429.06 pm
228.58
891.25
10 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
11 Lattice C/A Ratio
12 Adjacent Atomic Numbers
12.1 Next Element
12.2 Previous Element
6 Magnetic
1 Electrical Properties
1.1 Resistivity
52.80 nΩ·m47.70 nΩ·m
0.18
961
1.2 Electrical Conductivity
0.19 106/cm Ω0.21 106/cm Ω
0.00666
0.63
1.3 Electron Affinity
78.60 kJ/mol52.80 kJ/mol
0
222.8
1.4 Electrical Property
2 Magnetic Characteristics
2.1 Specific Gravity
2.2 Magnetic Ordering
Paramagnetic
Paramagnetic
2.3 Permeability
2.4 Susceptibility
7 Thermal
1 Specific Heat
0.13 J/(kg K)1.23 J/(kg K)
0.11
3.6
2 Thermal Conductivity
173.00 W/m·K142.00 W/m·K
6.3
429
3 Critical Temperature
4 Molar Heat Capacity
24.27 J/mol·K28.23 J/mol·K
16.443
62.7
5 Thermal Expansion
4.50 µm/(m·K)71.00 µm/(m·K)
4.5
97
6 Standard Molar Entropy
32.60 J/mol.K51.30 J/mol.K
9.5
198.1
7 Enthalpy
7.1 Enthalpy of Vaporization
799.10 kJ/mol89.04 kJ/mol
7.32
799.1
7.2 Enthalpy of Fusion
35.23 kJ/mol2.59 kJ/mol
2.1
35.23
7.3 Enthalpy of Atomization
837.00 kJ/mol108.40 kJ/mol
61.5
837