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Periodic Table

Picture of  Osmium
 
 

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Osmium  
Ground State Electron Configuration of  Osmium
Symbol: Os
Atomic Number: 76
Atomicmass: 190.2 g.mol -1
Electronegative (According to Pauling): 2.2
Density: 22.5 g.cm-3 at 20°C
Melting Point: 3045 °C
Boiling Point: 5027 °C
Venderwaals Radius: 0.136 nm
Ionic Radius: 0.067 nm (+4)
Isotopes: 13
Electronic Shell: [ Xe ] 4f14 5d- 6s2
Energy Of First Ionization: 838 kJ.mol -1  

76

No of Protons
Standard Potential: + 0.85 V (Os2+/ Os )

Electron in Full Shell
Discoverd By: Discovered by Smithson Tennant in 1803

Electron in Partial Shell
   
 
 

 
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