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Periodic Table
Picture of  Chromium
 
 

 Atomic No. Order:e
[Picture]

 Alphabetic Order:
 

Chromium  
Ground State Electron Configuration of  Chromium
Symbol: Cr
Atomic Number: 24
Atomicmass: 51.996 g./mol
Electronegative (According to Pauling): 1.6
Density: 7.19 g.cm-3 at 20°C
Melting Point: 1907 °C
Boiling Point: 2672 °C
Venderwaals Radious: 0.127 nm
Ionic Radious: 0.061 nm (+3) ; 0.044 nm (+6)
Isotopes: 6
Electronic Shell: [ Ar ] 3d4 4s2
Energy Of First Ionisation: 651.1 kJ./mol  

24

No of Protons
Standard Potential: - 0.71 V (Cr3+ / Cr )

Electorn in Full Shell
Discoverd By: Discovered by Vaughlin in 1797

Electorn in Partial Shell
   
 
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