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Meitnerium vs Lawrencium


Lawrencium vs Meitnerium


Periodic Table

Symbol
Mt   
Lr   

Group Number
9   
9
Not Available   

Period Number
7   
7   

Block
d block   
d block   

Element Family
Probably Transition   
Actinide   

CAS Number
54038016   
10
22537195   
15

Space Group Name
Not Available   
Not Available   

Space Group Number
Not Available   
Not Available   

Facts

Interesting Facts
Not Available   
  • It is synthetically produced metal.
  • Radiation hazard can be produce by it.
  

Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced   
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining   

History
  
  

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

Discovery
In 1982   
In 1961–1971   

Abundance
  
  

Uses

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

Industrial Uses
NA   
NA   

Medical Uses
NA   
NA   

Other Uses
NA   
NA   

Biological Properties
  
  

Present in Human Body
No   
No   

In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
37

In Bone
0.00 p.p.m.   
36
0.00 p.p.m.   
36

Physical Properties

Melting Point
Not Available   
1,627.00 °C   
20

Boiling Point
Not Available   
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Silver   

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   
Lr   

Isotopes
  
  

Known Isotopes
4   
33
10   
28

Electronegativity
  
  

Electropositivity
  
  

Ionization Energies
  
  

1st Energy Level
800.80 kJ/mol   
15
470.00 kJ/mol   
99+

2nd Energy Level
1,823.60 kJ/mol   
17
1,428.00 kJ/mol   
99+

3rd Energy Level
2,904.20 kJ/mol   
31
2,228.00 kJ/mol   
99+

4th Energy Level
3,859.40 kJ/mol   
99+
4,910.00 kJ/mol   
21

5th Energy Level
4,920.80 kJ/mol   
35
Not Available   

Electrochemical Equivalent
Not Available   
3.23 g/amp-hr   
11

Electron Work Function
Not Available   
Not Available   

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

Atomic Properties

Atomic Number
109   
9
103   
15

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

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
109   
9
103   
15

Number of Neutrons
157   
7
157   
7

Number of Electrons
109   
9
103   
15

Radius of an Atom
  
  

Atomic Radius
122.00 pm   
99+
Not Available   

Covalent Radius
129.00 pm   
99+
Not Available   

Van der Waals Radius
Not Available   
246.00 pm   
8

Atomic Weight
278.00 amu   
7
266.00 amu   
12

Atomic Volume
Not Available   
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Hassium
  
Nobelium
  

Next Element

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
37.40 g/cm3   
2
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Poisson Ratio
Not Available   
0.32   
12

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   

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