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Periodic Table
Picture of  Argon

 Atomic No. Order:e

 Alphabetic Order:

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 Radious: 0.192 nm
Ionic Radious: unknown
Isotopes: 6
Electronic Shell: [Ne] 3s2,3p6
Energy Of First Ionisation: 1520 kJ./mol  


No of Protons
Standard Potential: Unknown

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

Electorn in Partial Shell
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