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Berkelium vs Tennessine

Berkelium
Tennessine
Tennessine vs Berkelium


Periodic Table
Symbol
Bk   
Ts   
Group Number
Not Available   
17   
1
Period Number
7   
7   
Block
f block   
p block   
Element Family
Actinide   
Probably Post-​Transition   
CAS Number
7440406   
99+
54101143   
2
Space Group Name
P63/mmc   
Not Available   
Space Group Number
194.00   
5
Not Available   
Facts
Interesting Facts
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
  
Not Available   
Sources
Bombarding Americium with Alpha Particles.   
Synthetically Produced   
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory   
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Discovery
In 1949   
In 2010   
Abundance
  
  
Uses
Uses & Benefits
  • This metal is very rare and has no commercial uses.
  
  • Currently known uses of Ununseptium metal are limited to research purpose only.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
NA   
Research Purposes   
Biological Properties
  
  
Present in Human Body
No   
No   
In Blood
0.00 Blood/mg dm-3   
37
Not Available   
In Bone
0.00 p.p.m.   
36
Not Available   
Physical Properties
Melting Point
986.00 °C   
99+
400.00 °C   
99+
Boiling Point
2,627.00 °C   
40
610.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Unknown   
Luster
Metallic   
Unknown Luster   
Hardness
  
  
Speed of Sound
Not Available   
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 Properties
Chemical Formula
Bk   
Ts   
Isotopes
  
  
Known Isotopes
14   
25
0   
35
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
Not Available   
Allred Rochow Electronegativity
1.20   
27
Not Available   
Allen Electronegativity
2.70   
1
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
Not Available   
Ionization Energies
  
  
1st Energy Level
601.00 kJ/mol   
99+
742.90 kJ/mol   
23
2nd Energy Level
1,186.00 kJ/mol   
99+
1,785.00 kJ/mol   
22
3rd Energy Level
2,152.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,434.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
3.07 g/amp-hr   
16
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization   
Atomic Properties
Atomic Number
97   
21
117   
1
Electron Configuration
[Rn] 5f9 7s2   
[Rn] 5f14 6d10 7s2 7p5   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Not Known   
Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100   
Unknown-Crystal-Structure-of-Ununseptium.jpg#100   
Atom
  
  
Number of Protons
97   
21
117   
1
Number of Neutrons
150   
11
167   
2
Number of Electrons
97   
21
117   
1
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
Not Available   
Atomic Weight
247.00 amu   
18
294.00 amu   
1
Atomic Volume
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Curium
  
No Previous Element   
Next Element
Californium
  
Livermorium
  
Valence Electron Potential
45.50 (-eV)   
36
Not Available   
Lattice Constant
341.60 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
14.78 g/cm3   
22
7.10 g/cm3   
99+
Density When Liquid (at m.p.)
13.25 g/cm3   
11
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
NA   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
14.00   
14
Not Available   
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Thermal Properties
Specific Heat
Not Available   
Not Available   
Molar Heat Capacity
Not Available   
Not Available   
Thermal Conductivity
10.00 W/m·K   
99+
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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