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Meitnerium Seaborgium Comparison


Seaborgium Meitnerium comparison


Periodic Table

Symbol
Mt   
Sg   

Group Number
9   
9
6   
12

Period Number
7   
7   

Block
d block   
d block   

Element Family
Probably Transition   
Transition Metal   

CAS Number
54038016   
10
54038812   
9

Space Group Name
Not Available   
Not Available   

Space Group Number
Not Available   
Not Available   

Facts

Interesting Facts
Not Available   
  • 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.
  

Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced   
Synthetically Produced   

History
  
  

Who Discovered
Gesellschaft für Schwerionenforschung   
Lawrence Berkeley National Laboratory   

Discovery
In 1982   
In 1974   

Abundance
  
  

Uses

Uses & Benefits
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
  • Currently known uses of Seaborgium 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
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   
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
Mt   
Sg   

Isotopes
  
  

Known Isotopes
4   
33
9   
29

Electronegativity
  
  

Electropositivity
  
  

Ionization Energies
  
  

1st Energy Level
800.80 kJ/mol   
15
757.40 kJ/mol   
21

2nd Energy Level
1,823.60 kJ/mol   
17
1,732.90 kJ/mol   
28

3rd Energy Level
2,904.20 kJ/mol   
31
2,483.50 kJ/mol   
99+

4th Energy Level
3,859.40 kJ/mol   
99+
3,415.60 kJ/mol   
99+

5th Energy Level
4,920.80 kJ/mol   
35
4,561.80 kJ/mol   
38

6th Energy Level
Not Available   
5,715.80 kJ/mol   
25

Electrochemical Equivalent
Not Available   
Not Available   

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
NA   

Atomic Properties

Atomic Number
109   
9
106   
12

Electron Configuration
[Rn] 5f14 6d7 7s2   
[Rn] 5f14 6d2 7s2   

Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   

Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
109   
9
106   
12

Number of Neutrons
157   
7
157   
7

Number of Electrons
109   
9
106   
12

Radius of an Atom
  
  

Atomic Radius
122.00 pm   
99+
132.00 pm   
99+

Covalent Radius
129.00 pm   
99+
143.00 pm   
99+

Atomic Weight
278.00 amu   
7
269.00 amu   
9

Atomic Volume
Not Available   
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Hassium
  
Dubnium
  

Next Element
Bohrium
  

Valence Electron Potential
Not Available   
Not Available   

Lattice Constant
Not Available   
Not Available   

Lattice Angles
NA   
Unknown   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
37.40 g/cm3   
2
35.00 g/cm3   
4

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
  
  

Magnetic Ordering
Paramagnetic   
Unknown   

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   

Summary >>
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