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Periodic Table

Picture of  Cobalt
 
 

 Atomic No. Order:
[Picture]

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Cobalt  
Ground State Electron Configuration of  Cobalt
Symbol: Co
Atomic Number: 27
Atomicmass: 58.9332 g.mol -1
Electronegative (According to Pauling): 1.8
Density: 8.9 g.cm-3 at 20°C
Melting Point: 1495 °C
Boiling Point: 2927 °C
Venderwaals Radius: 0.125 nm
Ionic Radius: 0.078 nm (+2) ; 0.063 nm (+3)
Isotopes: 8
Electronic Shell: [ Ar ] 3d7 4s2
Energy Of First Ionization: 757 kJ.mol -1  

27

No of Protons
Standard Potential: - 0.28 V ( Co2+/ Co ) ; +1.84 V ( Co3+/ Co2+ )

Electron in Full Shell
Discoverd By: Discovered by George Brandt in 1737

Electron in Partial Shell
   
 
 

 
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