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Meitnerium vs Osmium

Meitnerium
Osmium
Osmium vs Meitnerium


Periodic Table
Symbol
Mt   
Os   
Group Number
9   
9
8   
10
Period Number
7   
6   
Block
d block   
d block   
Element Family
Probably Transition   
Transition Metal   
CAS Number
54038016   
10
7440042   
99+
Space Group Name
Not Available   
P63/mmc   
Space Group Number
Not Available   
194.00   
5
Facts
Interesting Facts
Not Available   
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced   
Found As a By-product, Found in Minerals, Mining   
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung   
Smithson Tennant   
Discovery
In 1982   
In 1803   
Abundance
  
  
Abundance In Universe
Not Available   
3 * 10-7 %   
21
Abundance In Sun
~-9999 %   
~0.0000002 %   
25
Abundance In Meteorites
Not Available   
0.00 %   
28
Abundance In Earth's Crust
Not Available   
0.00 %   
99+
Uses
Uses & Benefits
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
  • Its has very limited uses and its alloys are very hard and are used in the manufacturing of pen tips, pivots, needles and electrical contacts.
  • It is also used as industrial catalyst to speed up the chemical reaction.
  
Industrial Uses
NA   
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
NA   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
Highly Toxic   
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   
3,045.00 °C   
3
Boiling Point
Not Available   
5,027.00 °C   
6
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silvery Bluish-Gray   
Luster
Unknown Luster   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
7.00   
3
Brinell Hardness
Not Available   
3,490.00 MPa   
1
Speed of Sound
Not Available   
4,940.00 m/s   
11
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   
Os   
Isotopes
  
  
Known Isotopes
4   
33
35   
4
Electronegativity
  
  
Pauling Electronegativity
Not Available   
2.20   
4
Allred Rochow Electronegativity
Not Available   
1.52   
12
Allen Electronegativity
Not Available   
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
Not Available   
1.80   
99+
Ionization Energies
  
  
1st Energy Level
800.80 kJ/mol   
15
840.00 kJ/mol   
12
2nd Energy Level
1,823.60 kJ/mol   
17
1,309.80 kJ/mol   
99+
3rd Energy Level
2,904.20 kJ/mol   
31
1,600.00 kJ/mol   
99+
4th Energy Level
3,859.40 kJ/mol   
99+
Not Available   
5th Energy Level
4,920.80 kJ/mol   
35
Not Available   
Electrochemical Equivalent
Not Available   
1.77 g/amp-hr   
38
Electron Work Function
Not Available   
4.83 eV   
8
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization, Solubility   
Atomic Properties
Atomic Number
109   
9
76   
40
Electron Configuration
[Rn] 5f14 6d7 7s2   
[Xe] 4f14 5d6 6s2   
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
76   
39
Number of Neutrons
157   
7
114   
25
Number of Electrons
109   
9
76   
39
Radius of an Atom
  
  
Atomic Radius
122.00 pm   
99+
133.80 pm   
99+
Covalent Radius
129.00 pm   
99+
Not Available   
Van der Waals Radius
Not Available   
216.00 pm   
24
Atomic Weight
278.00 amu   
7
190.23 amu   
35
Atomic Volume
Not Available   
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Hassium
  
Rhenium
  
Next Element
Darmstadtium
  
Iridium
  
Valence Electron Potential
Not Available   
91.40 (-eV)   
12
Lattice Constant
Not Available   
273.44 pm   
99+
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
14
Mechanical Properties
Density
  
  
Density At Room Temperature
37.40 g/cm3   
2
22.59 g/cm3   
9
Density When Liquid (at m.p.)
Not Available   
20.00 g/cm3   
1
Tensile Strength
Not Available   
1,000.00 MPa   
4
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
28
Elasticity properties
  
  
Shear Modulus
Not Available   
222.00 GPa   
1
Bulk Modulus
Not Available   
462.00 GPa   
1
Poisson Ratio
Not Available   
0.25   
24
Other Mechanical Properties
NA   
Ductile   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
22.57   
2
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Resistivity
Not Available   
81.20 nΩ·m   
35
Electrical Conductivity
Not Available   
0.11 106/cm Ω   
18
Electron Affinity
Not Available   
106.10 kJ/mol   
9
Thermal Properties
Specific Heat
Not Available   
0.13 J/(kg K)   
39
Molar Heat Capacity
Not Available   
24.70 J/mol·K   
99+
Thermal Conductivity
Not Available   
87.60 W/m·K   
19
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
5.10 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
627.60 kJ/mol   
7
Enthalpy of Fusion
Not Available   
29.30 kJ/mol   
4
Enthalpy of Atomization
Not Available   
669.00 kJ/mol   
6
Standard Molar Entropy
Not Available   
32.60 J/mol.K   
99+
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