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Periodic Table

Picture of  Argon
 
 

 Atomic No. Order:
[Picture]

 Alphabetic Order:
 

Argon  
Ground State Electron Configuration of  Argon
Symbol: Ar
Atomic Number: 18
Atomicmass: 39.948 g./mol
Electronegative (According to Pauling): unknown
Density: 1.78*10 -3 g.cm -3 at 0 °C
Melting Point: -189 °C
Boiling Point: -185.7 °C
Venderwaals Radius: 0.192 nm
Ionic Radius: unknown
Isotopes: 6
Electronic Shell: [Ne] 3s2,3p6
Energy Of First Ionization: 1520 kJ./mol  

18

No of Protons
Standard Potential: Unknown

Electron in Full Shell
Discoverd By: Discovered by Sir Ramsay in 1894

Electron in Partial Shell
   
 
 

 
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