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Seaborgium vs Berkelium

Seaborgium
Berkelium
Berkelium vs Seaborgium


Periodic Table
Symbol
Sg   
Bk   
Group Number
6   
12
Not Available   
Period Number
7   
7   
Block
d block   
f block   
Element Family
Transition Metal   
Actinide   
CAS Number
54038812   
9
7440406   
99+
Space Group Name
Not Available   
P63/mmc   
Space Group Number
Not Available   
194.00   
5
Facts
Interesting Facts
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
  
Sources
Synthetically Produced   
Bombarding Americium with Alpha Particles.   
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory   
Lawrence Berkeley National Laboratory   
Discovery
In 1974   
In 1949   
Abundance
  
  
Uses
Uses & Benefits
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
  • This metal is very rare and has no commercial uses.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
Research Purposes   
NA   
Biological Properties
  
  
Present in Human Body
No   
No   
In Blood
Not Available   
0.00 Blood/mg dm-3   
37
In Bone
Not Available   
0.00 p.p.m.   
36
Physical Properties
Melting Point
Not Available   
986.00 °C   
99+
Boiling Point
Not Available   
2,627.00 °C   
40
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silver   
Luster
Unknown Luster   
Metallic   
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
Sg   
Bk   
Isotopes
  
  
Known Isotopes
9   
29
14   
25
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.30   
32
Allred Rochow Electronegativity
Not Available   
1.20   
27
Allen Electronegativity
Not Available   
2.70   
1
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.70   
22
Ionization Energies
  
  
1st Energy Level
757.40 kJ/mol   
21
601.00 kJ/mol   
99+
2nd Energy Level
1,732.90 kJ/mol   
28
1,186.00 kJ/mol   
99+
3rd Energy Level
2,483.50 kJ/mol   
99+
2,152.00 kJ/mol   
99+
4th Energy Level
3,415.60 kJ/mol   
99+
3,434.00 kJ/mol   
99+
5th Energy Level
4,561.80 kJ/mol   
38
Not Available   
6th Energy Level
5,715.80 kJ/mol   
25
Not Available   
Electrochemical Equivalent
Not Available   
3.07 g/amp-hr   
16
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
NA   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
106   
12
97   
21
Electron Configuration
[Rn] 5f14 6d2 7s2   
[Rn] 5f9 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Berkelium.jpg#100   
Atom
  
  
Number of Protons
106   
12
97   
21
Number of Neutrons
157   
7
150   
11
Number of Electrons
106   
12
97   
21
Radius of an Atom
  
  
Atomic Radius
132.00 pm   
99+
170.00 pm   
22
Covalent Radius
143.00 pm   
99+
Not Available   
Atomic Weight
269.00 amu   
9
247.00 amu   
18
Atomic Volume
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Dubnium
  
Curium
  
Next Element
Bohrium
  
Californium
  
Valence Electron Potential
Not Available   
45.50 (-eV)   
36
Lattice Constant
Not Available   
341.60 pm   
99+
Lattice Angles
Unknown   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
35.00 g/cm3   
4
14.78 g/cm3   
22
Density When Liquid (at m.p.)
Not Available   
13.25 g/cm3   
11
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   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
14.00   
14
Magnetic Ordering
Unknown   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Thermal Properties
Specific Heat
Not Available   
Not Available   
Molar Heat Capacity
Not Available   
Not Available   
Thermal Conductivity
Not Available   
10.00 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
Not Available   
Enthalpy
  
  
Standard Molar Entropy
Not Available   
Not Available   
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