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Periodic Table
Picture of  Hafnium
 
 

 Atomic No. Order:e
[Picture]

 Alphabetic Order:
 

Hafnium  
Ground State Electron Configuration of  Hafnium
Symbol: Hf
Atomic Number: 72
Atomicmass: 178.49 g.mol -1
Electronegative (According to Pauling): 1.3
Density: 13.07 g.cm-3 at 20°C
Melting Point: 2200 °C
Boiling Point: 5200 °C
Venderwaals Radious: 0.161 nm
Ionic Radious: 0.075 nm
Isotopes: 10
Electronic Shell: [ Xe ] 4f14 5d2 6s2
Energy Of First Ionisation: 530 kJ.mol -1  

72

No of Protons
Standard Potential: - 1.68 V ( HfO2+/ Hf )

Electorn in Full Shell
Discoverd By: Discovered by Dirk Coster in 1923

Electorn in Partial Shell
   
 
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