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Nihonium Meitnerium Comparison


Meitnerium Nihonium comparison


Periodic Table

Symbol
Nh   
Mt   

Group Number
13   
5
9   
9

Period Number
7   
7   

Block
p block   
d block   

Element Family
Probably Post-​Transition   
Probably Transition   

CAS Number
54084707   
6
54038016   
10

Space Group Name
Not Available   
Not Available   

Space Group Number
194.00   
5
Not Available   

Facts

Interesting Facts
Not Available   
Not Available   

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

History
  
  

Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Gesellschaft für Schwerionenforschung   

Discovery
In 2003   
In 1982   

Abundance
  
  

Uses

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

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
430.00 °C   
99+
Not Available   

Boiling Point
1,130.00 °C   
99+
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
Nh   
Mt   

Isotopes
  
  

Known Isotopes
7   
31
4   
33

Electronegativity
  
  

Electropositivity
  
  

Ionization Energies
  
  

1st Energy Level
704.90 kJ/mol   
34
800.80 kJ/mol   
15

2nd Energy Level
2,238.50 kJ/mol   
7
1,823.60 kJ/mol   
17

3rd Energy Level
3,023.30 kJ/mol   
26
2,904.20 kJ/mol   
31

4th Energy Level
4,351.50 kJ/mol   
29
3,859.40 kJ/mol   
99+

5th Energy Level
5,692.60 kJ/mol   
28
4,920.80 kJ/mol   
35

Electrochemical Equivalent
Not Available   
Not Available   

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Chemical Stability, Ionization   
Ionization, Radioactive Isotopes, Radioactivity   

Atomic Properties

Atomic Number
113   
5
109   
9

Electron Configuration
[Rn] 5f14 6d10 7s2 7p1   
[Rn] 5f14 6d7 7s2   

Crystal Structure
Not Known   
Face Centered Cubic (FCC)   

Crystal Lattice
Unknown-Crystal-Structure-of-Ununtrium.jpg#100   
FCC-Crystal-Structure-of-Meitnerium.jpg#100   

Atom
  
  

Number of Protons
113   
5
109   
9

Number of Neutrons
150   
11
157   
7

Number of Electrons
113   
5
109   
9

Radius of an Atom
  
  

Atomic Radius
Not Available   
122.00 pm   
99+

Covalent Radius
Not Available   
129.00 pm   
99+

Atomic Weight
286.00 amu   
4
278.00 amu   
7

Atomic Volume
Not Available   
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Hassium
  

Next Element
Flerovium
  

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
16.00 g/cm3   
19
37.40 g/cm3   
2

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
  
  

Magnetic Ordering
Unknown   
Paramagnetic   

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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