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Osmium vs Tennessine

Osmium
Tennessine
Tennessine vs Osmium


Periodic Table
Symbol
Os   
Ts   
Group Number
8   
10
17   
1
Period Number
6   
7   
Block
d block   
p block   
Element Family
Transition Metal   
Probably Post-​Transition   
CAS Number
7440042   
99+
54101143   
2
Space Group Name
P63/mmc   
Not Available   
Space Group Number
194.00   
5
Not Available   
Facts
Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
Not Available   
Sources
Found As a By-product, Found in Minerals, Mining   
Synthetically Produced   
History
  
  
Who Discovered
Smithson Tennant   
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Discovery
In 1803   
In 2010   
Abundance
  
  
Abundance In Universe
3 * 10-7 %   
21
Not Available   
Abundance In Sun
~0.0000002 %   
25
~-9999 %   
Abundance In Meteorites
0.00 %   
28
Not Available   
Abundance In Earth's Crust
0.00 %   
99+
Not Available   
Uses
Uses & Benefits
  • 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.
  
  • Currently known uses of Ununseptium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Research Purposes   
Biological Properties
  
  
Toxicity
Highly Toxic   
Unknown   
Present in Human Body
No   
No   
Physical Properties
Melting Point
3,045.00 °C   
3
400.00 °C   
99+
Boiling Point
5,027.00 °C   
6
610.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Bluish-Gray   
Unknown   
Luster
Metallic   
Unknown Luster   
Hardness
  
  
Mohs Hardness
7.00   
3
Not Available   
Brinell Hardness
3,490.00 MPa   
1
Not Available   
Speed of Sound
4,940.00 m/s   
11
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
Os   
Ts   
Isotopes
  
  
Known Isotopes
35   
4
0   
35
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
Not Available   
Allred Rochow Electronegativity
1.52   
12
Not Available   
Allen Electronegativity
1.65   
19
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
Not Available   
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
742.90 kJ/mol   
23
2nd Energy Level
1,309.80 kJ/mol   
99+
1,785.00 kJ/mol   
22
3rd Energy Level
1,600.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.77 g/amp-hr   
38
Not Available   
Electron Work Function
4.83 eV   
8
Not Available   
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Chemical Stability, Ionization   
Atomic Properties
Atomic Number
76   
40
117   
1
Electron Configuration
[Xe] 4f14 5d6 6s2   
[Rn] 5f14 6d10 7s2 7p5   
Crystal Structure
Hexagonal Close Packed (HCP)   
Not Known   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
Unknown-Crystal-Structure-of-Ununseptium.jpg#100   
Atom
  
  
Number of Protons
76   
39
117   
1
Number of Neutrons
114   
25
167   
2
Number of Electrons
76   
39
117   
1
Radius of an Atom
  
  
Atomic Radius
133.80 pm   
99+
Not Available   
Van der Waals Radius
216.00 pm   
24
Not Available   
Atomic Weight
190.23 amu   
35
294.00 amu   
1
Atomic Volume
8.49 cm3/mol   
99+
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Rhenium
  
No Previous Element   
Next Element
Iridium
  
Livermorium
  
Valence Electron Potential
91.40 (-eV)   
12
Not Available   
Lattice Constant
273.44 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.58   
14
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
22.59 g/cm3   
9
7.10 g/cm3   
99+
Density When Liquid (at m.p.)
20.00 g/cm3   
1
Not Available   
Tensile Strength
1,000.00 MPa   
4
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
28
Not Available   
Elasticity properties
  
  
Shear Modulus
222.00 GPa   
1
Not Available   
Bulk Modulus
462.00 GPa   
1
Not Available   
Poisson Ratio
0.25   
24
Not Available   
Other Mechanical Properties
Ductile   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
22.57   
2
Not Available   
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Resistivity
81.20 nΩ·m   
35
Not Available   
Electrical Conductivity
0.11 106/cm Ω   
18
Not Available   
Electron Affinity
106.10 kJ/mol   
9
Not Available   
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
Not Available   
Molar Heat Capacity
24.70 J/mol·K   
99+
Not Available   
Thermal Conductivity
87.60 W/m·K   
19
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
5.10 µm/(m·K)   
99+
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
627.60 kJ/mol   
7
Not Available   
Enthalpy of Fusion
29.30 kJ/mol   
4
Not Available   
Enthalpy of Atomization
669.00 kJ/mol   
6
Not Available   
Standard Molar Entropy
32.60 J/mol.K   
99+
Not Available   
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