Symbol
Ds
  
No
  
Group Number
Not Available
  
Period Number
7
  
7
  
Block
d block
  
f block
  
Element Family
Probably Transition
  
Actinide
  
Space Group Name
Not Available
  
Not Available
  
Space Group Number
Not Available
  
Not Available
  
Interesting Facts
Not Available
  
- The most stable isotope of Nobelium metal is No-259.
- No-259 has a half-life of fifty-eight minutes.
  
Sources
Synthetically Produced
  
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining
  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung
  
Joint Institute for Nuclear Research
  
Discovery
In 1994
  
In 1966
  
Abundance
  
  
Uses & Benefits
- Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
- Currently known uses of Nobelium metal are limited to research purpose only.
  
Industrial Uses
NA
  
NA
  
Medical Uses
NA
  
NA
  
Other Uses
Research Purposes
  
Research Purposes
  
Biological Properties
  
  
Present in Human Body
No
  
No
  
In Blood
0.00 Blood/mg dm-3
  
37
0.00 Blood/mg dm-3
  
37
In Bone
0.00 p.p.m.
  
36
0.00 p.p.m.
  
36
Melting Point
Not Available
  
Boiling Point
Not Available
  
Not Available
  
Appearance
  
  
Physical State
Solid
  
Solid
  
Luster
Unknown Luster
  
Unknown Luster
  
Hardness
  
  
Speed of Sound
5,090.00 m/s
  
9
Not Available
  
Optical Properties
  
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Ds
  
No
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Not Available
  
Allred Rochow Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Not Available
  
Ionization Energies
  
  
1st Energy Level
955.20 kJ/mol
  
5
642.00 kJ/mol
  
99+
2nd Energy Level
1,891.10 kJ/mol
  
16
1,254.00 kJ/mol
  
99+
3rd Energy Level
3,029.60 kJ/mol
  
25
2,643.00 kJ/mol
  
99+
4th Energy Level
3,955.90 kJ/mol
  
40
3,956.00 kJ/mol
  
39
5th Energy Level
5,113.70 kJ/mol
  
33
Not Available
  
Electrochemical Equivalent
Not Available
  
4.83 g/amp-hr
  
4
Electron Work Function
Not Available
  
Not Available
  
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
  
Ionization, Radioactive Isotopes, Radioactivity
  
Electron Configuration
[Rn] 5f14 6d8 7s2
  
[Rn] 5f14 7s2
  
Crystal Structure
Body Centered Cubic (BCC)
  
Not Known
  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
  
Unknown-Crystal-Structure-of-Nobelium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Radius
Not Available
  
Covalent Radius
Not Available
  
Van der Waals Radius
Not Available
  
Atomic Volume
Not Available
  
Not Available
  
Adjacent Atomic Numbers
  
  
Valence Electron Potential
Not Available
  
26.00 (-eV)
  
99+
Lattice Constant
Not Available
  
Not Available
  
Lattice Angles
NA
  
NA
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Density
  
  
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available
  
Not Available
  
Other Mechanical Properties
Unknown
  
Unknown
  
Magnetic Characteristics
  
  
Electrical Properties
  
  
Specific Heat
Not Available
  
Not Available
  
Molar Heat Capacity
Not Available
  
Not Available
  
Thermal Conductivity
Not Available
  
Not Available
  
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
Not Available
  
Not Available
  
Enthalpy
  
  
Standard Molar Entropy
Not Available
  
Not Available