Properties of Darmstadtium and Tungsten
Melting Point
Not Available
  
Boiling Point
Not Available
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
Not Available
  
2,000.00 MPa
  
4
Vickers Hardness
Not Available
  
3,430.00 MPa
  
1
Optical Properties
  
  
Refractive Index
Not Available
  
Not Available
  
Reflectivity
Not Available
  
Speed of Sound
5,090.00 m/s
  
9
4,620.00 m/s
  
16
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Ds
  
W
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Not Available
  
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Not Available
  
Mulliken-Jaffe Electronegativity
Not Available
  
Not Available
  
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Not Available
  
Ionization Energies
  
  
1st Energy Level
955.20 kJ/mol
  
5
770.00 kJ/mol
  
16
2nd Energy Level
1,891.10 kJ/mol
  
16
1,700.00 kJ/mol
  
29
3rd Energy Level
3,029.60 kJ/mol
  
25
Not Available
  
Electrochemical Equivalent
Not Available
  
1.14 g/amp-hr
  
99+
Electron Work Function
Not Available
  
Other Chemical Properties
Density
  
  
Density At Room Temperature
Not Available
  
19.25 g/cm
3
  
16
Density When Liquid (at m.p.)
Not Available
  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available
  
Not Available
  
Vapor Pressure at 2000 K
Not Available
  
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Elasticity properties
  
  
Shear Modulus
Not Available
  
Bulk Modulus
Not Available
  
Young's Modulus
Not Available
  
Poisson Ratio
Not Available
  
Other Mechanical Properties
Unknown
  
Symbol
Ds
  
W
  
Period Number
7
  
6
  
Element Family
Probably Transition
  
Atomic Volume
Not Available
  
9.53 cm3/mol
  
99+
Electron Configuration
[Rn] 5f14 6d8 7s2
  
[Xe] 4f14 5d4 6s2
  
Valence Electron Potential
Not Available
  
140.00 (-eV)
  
5
Atom
  
  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Radius of an Atom
  
  
Van der Waals Radius
Not Available
  
Lattice Constant
Not Available
  
Lattice Angles
NA
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Adjacent Atomic Numbers
  
  
Electrical Properties
  
  
Resistivity
Not Available
  
52.80 nΩ·m
  
99+
Electrical Conductivity
Not Available
  
0.19 10
6/cm Ω
  
10
Electron Affinity
Not Available
  
78.60 kJ/mol
  
13
Electrical Property
Unknown
  
Magnetic Characteristics
  
  
Specific Gravity
Not Available
  
Magnetic Ordering
Unknown
  
Permeability
Not Available
  
Not Available
  
Susceptibility
Not Available
  
Not Available
  
Specific Heat
Not Available
  
0.13 J/(kg K)
  
39
Thermal Conductivity
Not Available
  
173.00 W/m·K
  
7
Critical Temperature
Not Available
  
Not Available
  
Molar Heat Capacity
Not Available
  
24.27 J/mol·K
  
99+
Thermal Expansion
Not Available
  
4.50 µm/(m·K)
  
99+
Standard Molar Entropy
Not Available
  
32.60 J/mol.K
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
799.10 kJ/mol
  
1
Enthalpy of Fusion
Not Available
  
35.23 kJ/mol
  
1
Enthalpy of Atomization
Not Available
  
837.00 kJ/mol
  
1