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Bohrium vs Darmstadtium

Bohrium
Darmstadtium
Darmstadtium vs Bohrium


Periodic Table
Symbol
Bh   
Ds   
Group Number
7   
11
10   
8
Period Number
7   
7   
Block
d block   
d block   
Element Family
Transition Metal   
Probably Transition   
CAS Number
54037148   
12
54083771   
8
Space Group Name
Not Available   
Not Available   
Space Group Number
Not Available   
Not Available   
Facts
Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
Not Available   
Sources
Found in Minerals, Mining, Synthetically Produced   
Synthetically Produced   
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung   
Gesellschaft für Schwerionenforschung   
Discovery
In 1981   
In 1994   
Abundance
  
  
Uses
Uses & Benefits
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
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
Physical Properties
Melting Point
Not Available   
Not Available   
Boiling Point
Not Available   
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Luster
Unknown Luster   
Unknown Luster   
Hardness
  
  
Speed of Sound
Not Available   
5,090.00 m/s   
9
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Bh   
Ds   
Isotopes
  
  
Known Isotopes
5   
32
9   
29
Electronegativity
  
  
Electropositivity
  
  
Ionization Energies
  
  
1st Energy Level
742.90 kJ/mol   
23
955.20 kJ/mol   
5
2nd Energy Level
1,688.50 kJ/mol   
30
1,891.10 kJ/mol   
16
3rd Energy Level
2,566.50 kJ/mol   
99+
3,029.60 kJ/mol   
25
4th Energy Level
3,598.90 kJ/mol   
99+
3,955.90 kJ/mol   
40
5th Energy Level
4,727.80 kJ/mol   
37
5,113.70 kJ/mol   
33
6th Energy Level
5,991.70 kJ/mol   
24
Not Available   
7th Energy level
7,226.80 kJ/mol   
22
Not Available   
Electrochemical Equivalent
Not Available   
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
107   
11
110   
8
Electron Configuration
[Rn] 5f14 6d5 7s2   
[Rn] 5f14 6d8 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
107   
11
110   
8
Number of Neutrons
155   
8
161   
3
Number of Electrons
107   
11
110   
8
Radius of an Atom
  
  
Atomic Radius
128.00 pm   
99+
132.00 pm   
99+
Covalent Radius
141.00 pm   
99+
128.00 pm   
99+
Atomic Weight
270.00 amu   
8
281.00 amu   
6
Atomic Volume
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Seaborgium
  
Meitnerium
  
Next Element
Hassium
  
Roentgenium
  
Valence Electron Potential
Not Available   
Not Available   
Lattice Constant
Not Available   
Not Available   
Lattice Angles
NA   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
37.10 g/cm3   
3
Not Available   
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 Properties
Magnetic Characteristics
  
  
Electrical Properties
  
  
Thermal 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   
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