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Periodic Table
Picture of  Iridium
 
 

 Atomic No. Order:e
[Picture]

 Alphabetic Order:
 

Iridium  
Ground State Electron Configuration of  Iridium
Symbol: Ir
Atomic Number: 77
Atomicmass: 192.2 g.mol -1
Electronegative (According to Pauling): 2.2
Density: 22.4 g.cm-3 at 20°C
Melting Point: 2450 °C
Boiling Point: 4527 °C
Venderwaals Radious: 0.126 nm
Ionic Radious: 0.066 nm (+4)
Isotopes: 11
Electronic Shell: [ Xe ] 4f14 5d7 6s2
Energy Of First Ionisation: 886 kJ.mol -1  

77

No of Protons
Standard Potential: + 1.0 V ( Ir2+/ Ir )

Electorn in Full Shell
Discoverd By: Discovered by Smithson Tennant in 1804

Electorn in Partial Shell
   
 
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