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Periodic Table

Picture of  Astatine

 Atomic No. Order:

 Alphabetic Order:

Ground State Electron Configuration of  Astatine
Symbol: At
Atomic Number: 85
Atomicmass: (210) g.mol -1
Electronegative (According to Pauling): 2.2
Density: unknown
Melting Point: 302 °C
Boiling Point: 337 °C (estimation)
Venderwaals Radius: unknow
Ionic Radius: nunknown
Isotopes: 7
Electronic Shell: [ Xe ] 4f14 5d10 6s2 6p5
Energy Of First Ionization: 926 kJ.mol -1  


No of Protons
Standard Potential:

Electron in Full Shell
Discoverd By: Discovered by D.R.Corson in 1940

Electron in Partial Shell

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