1 Physical
1 Melting Point
2,996.00 °C38.89 °C
27
3410
2 Boiling Point
5,425.00 °C688.00 °C
147
5660
3 Hardness
3.1 Mohs Hardness
3.2 Brinell Hardness
440.00 MPa0.22 MPa
0.14
3490
3.3 Vickers Hardness
4 Optical Properties
4.1 Refractive Index
4.2 Reflectivity
5 Speed of Sound
3,400.00 m/s1,300.00 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
761.00 kJ/mol403.00 kJ/mol
375.7
26130
5.2 2nd Energy Level
1,500.00 kJ/mol2,633.00 kJ/mol
710.2162
28750
5.3 3rd Energy Level
NA3,860.00 kJ/mol
1600
34230
6 Electrochemical Equivalent
1.35 g/amp-hr3.19 g/amp-hr
0.16812
8.3209
7 Electron Work Function
8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
3 Mechanical
1 Density
1.1 Density At Room Temperature
16.69 g/cm31.53 g/cm3
0.534
40.7
1.2 Density When Liquid (at m.p.)
15.00 g/cm31.46 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
5.2 Bulk Modulus
200.00 GPa2.50 GPa
1.6
462
5.3 Young's Modulus
186.00 GPa2.40 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
180.95 amu85.47 amu
6.94
294
3 Atomic Volume
10.90 cm3/mol55.90 cm3/mol
1.39
71.07
4 Electron Configuration
[Xe] 4f14 5d3 6s2
[Kr] 5s1
5 Valence Electron Potential
110.00 (-eV)9.47 (-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
146.00 pm248.00 pm
112
265
8.2 Covalent Radius
170.00 pm220.00 pm
96
260
8.3 Van der Waals Radius
200.00 pm303.00 pm
139
348
9 Lattice Constant
330.13 pm558.50 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
131.00 nΩ·m128.00 nΩ·m
0.18
961
1.2 Electrical Conductivity
0.08 106/cm Ω0.08 106/cm Ω
0.00666
0.63
1.3 Electron Affinity
31.00 kJ/mol46.90 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
0.14 J/(kg K)0.36 J/(kg K)
0.11
3.6
2 Thermal Conductivity
57.50 W/m·K58.20 W/m·K
6.3
429
3 Critical Temperature
4 Molar Heat Capacity
25.36 J/mol·K31.06 J/mol·K
16.443
62.7
5 Thermal Expansion
6.30 µm/(m·K)90.00 µm/(m·K)
4.5
97
6 Standard Molar Entropy
41.50 J/mol.K76.80 J/mol.K
9.5
198.1
7 Enthalpy
7.1 Enthalpy of Vaporization
753.10 kJ/mol69.20 kJ/mol
7.32
799.1
7.2 Enthalpy of Fusion
31.40 kJ/mol2.19 kJ/mol
2.1
35.23
7.3 Enthalpy of Atomization
782.00 kJ/mol82.00 kJ/mol
61.5
837