1 Physical
1 Melting Point
2,150.00 °C303.50 °C
27
3410
2 Boiling Point
5,400.00 °C1,457.00 °C
147
5660
3 Hardness
3.1 Mohs Hardness
3.2 Brinell Hardness
1,450.00 MPa26.50 MPa
0.14
3490
3.3 Vickers Hardness
4 Optical Properties
4.1 Refractive Index
4.2 Reflectivity
5 Speed of Sound
3,010.00 m/s818.00 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
658.50 kJ/mol589.40 kJ/mol
375.7
26130
5.2 2nd Energy Level
1,440.00 kJ/mol1,971.00 kJ/mol
710.2162
28750
5.3 3rd Energy Level
2,250.00 kJ/mol2,878.00 kJ/mol
1600
34230
6 Electrochemical Equivalent
1.66 g/amp-hr7.63 g/amp-hr
0.16812
8.3209
7 Electron Work Function
8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Corrosion, Ionization, Radioactive Isotopes, Solubility
3 Mechanical
1 Density
1.1 Density At Room Temperature
13.31 g/cm311.85 g/cm3
0.534
40.7
1.2 Density When Liquid (at m.p.)
12.00 g/cm311.22 g/cm3
0.512
20
2 Vapor Pressure
2.1 Vapor Pressure at 1000 K
NA16.90 (Pa)
2.47E-11
121
2.2 Vapor Pressure at 2000 K
3 Tensile Strength
4 Viscosity
5 Elasticity properties
5.1 Shear Modulus
30.00 GPa2.80 GPa
1.3
222
5.2 Bulk Modulus
110.00 GPa43.00 GPa
1.6
462
5.3 Young's Modulus
78.00 GPa8.00 GPa
1.7
528
6 Poisson Ratio
7 Other Mechanical Properties
Ductile, Malleable
Ductile, Sectile
4 Periodic Table
1 Symbol
2 Group Number
3 Period Number
4 Block
5 Element Family
Transition Metal
Post-Transition
5 Atomic
1 Atomic Number
2 Atomic Weight
178.49 amu204.38 amu
6.94
294
3 Atomic Volume
13.60 cm3/mol17.20 cm3/mol
1.39
71.07
4 Electron Configuration
[Xe] 4f14 5d2 6s2
[Xe] 4f14 5d10 6s2 6p1
5 Valence Electron Potential
81.00 (-eV)9.60 (-eV)
8
392.42
6 Atom
6.1 Number of Protons
6.2 Number of Neutrons
6.3 Number of Electrons
7 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
7.1 Crystal Lattice
8 Radius of an Atom
8.1 Atomic Radius
159.00 pm170.00 pm
112
265
8.2 Covalent Radius
175.00 pm145.00 pm
96
260
8.3 Van der Waals Radius
200.00 pm196.00 pm
139
348
9 Lattice Constant
319.64 pm345.66 pm
228.58
891.25
10 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
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
331.00 nΩ·m0.18 nΩ·m
0.18
961
1.2 Electrical Conductivity
0.03 106/cm Ω0.06 106/cm Ω
0.00666
0.63
1.3 Electron Affinity
0.00 kJ/mol19.20 kJ/mol
0
222.8
1.4 Electrical Property
2 Magnetic Characteristics
2.1 Specific Gravity
2.2 Magnetic Ordering
2.3 Permeability
2.4 Susceptibility
7 Thermal
1 Specific Heat
0.14 J/(kg K)0.13 J/(kg K)
0.11
3.6
2 Thermal Conductivity
23.00 W/m·K46.10 W/m·K
6.3
429
3 Critical Temperature
4 Molar Heat Capacity
25.73 J/mol·K26.32 J/mol·K
16.443
62.7
5 Thermal Expansion
5.90 µm/(m·K)29.90 µm/(m·K)
4.5
97
6 Standard Molar Entropy
43.60 J/mol.K64.20 J/mol.K
9.5
198.1
7 Enthalpy
7.1 Enthalpy of Vaporization
661.10 kJ/mol162.10 kJ/mol
7.32
799.1
7.2 Enthalpy of Fusion
25.10 kJ/mol4.27 kJ/mol
2.1
35.23
7.3 Enthalpy of Atomization
703.00 kJ/mol179.90 kJ/mol
61.5
837