Group Number
Not Available
Element Family
Actinide
Transition Metal
Space Group Name
P63/mmc
Not Available
Space Group Number
Not Available
Interesting Facts
- X-ray Diffraction- different compounds of Berkelium metals are identified using it.
Commercial uses of Berkelium metal are not yet discovered.
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
Sources
Bombarding Americium with Alpha Particles.
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Who Discovered
Lawrence Berkeley National Laboratory
Joint Institute for Nuclear Research
Discovery
In 1949
In 1968
Uses & Benefits
- This metal is very rare and has no commercial uses.
- Currently known uses of Dubnium metal are limited to research purpose only.
Other Uses
NA
Research Purposes
Present in Human Body
No
No
Melting Point
Not Available
Boiling Point
Not Available
Physical State
Solid
Solid
Luster
Metallic
Unknown Luster
Speed of Sound
Not Available
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Pauling Electronegativity
Not Available
Allred Rochow Electronegativity
Not Available
Allen Electronegativity
Not Available
Pauling Electropositivity
Not Available
5th Energy Level
Not Available
Electrochemical Equivalent
Not Available
Electron Work Function
Not Available
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity
Electron Configuration
[Rn] 5f9 7s2
[Rn] 5f14 6d3 7s2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Body Centered Cubic (BCC)
Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100
BCC-Crystal-Structure-.jpg#100
Covalent Radius
Not Available
Atomic Volume
Not Available
Not Available
Valence Electron Potential
Not Available
Lattice Constant
Not Available
Lattice Angles
π/2, π/2, 2 π/3
NA
Lattice C/A Ratio
Not Available
Not Available
Density At Room Temperature
Density When Liquid (at m.p.)
Not Available
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Poisson Ratio
Not Available
Not Available
Other Mechanical Properties
NA
Unknown
Specific Gravity
Not Available
Magnetic Ordering
Paramagnetic
Unknown
Electrical Property
Conductor
Unknown
Specific Heat
Not Available
Not Available
Molar Heat Capacity
Not Available
Not Available
Thermal Conductivity
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
Not Available
Standard Molar Entropy
Not Available
Not Available