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85
  At  
210.000000
Astatine
      


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Name: Astatine
Symbol: At
Atomic Number: 85
AtomicWeight: 210.000000
Family: halogens
CAS RN: 7440-68-8
Description: A metallic solid member of the halogen family
State (25 °C): Solid
Melting Point: 575 °K
Boiling Point: 610 °K
Density: 7. g/cm3
Oxidation states:
Electron Configuration: [Xe] 4f145d106s26p5
Radius: no data pm (Covalent)
Electronegativity: 2.2 (Pauling Scale)

1st Ionization Energy: 899 KJ/mole
2nd Ionization Energy: – KJ/mole
3rd Ionization Energy: – KJ/mole

      



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