Comparisons / Comparison of Bromine and Astatine

Comparison of Bromine and Astatine [S]ave

Attribute
Astatine
×

Bromine
×
Atomic mass (u)209.9871579.9
Standard stateSolidLiquid
Oxidation states
  • -1
  • 1
  • 3
  • 5
  • 7
  • -1
  • +1
  • +5
Electron configuration[Xe]6s²4f¹⁴5d¹⁰6p⁵[Ar]4s²3d¹⁰4p⁵
Atomic radius (van der waals) (pm)202183
Electronegativity (pauling scale)2.22.96
Electron affinity (eV)2.83.365
Ionization energy (eV)9.511.814
Boiling point (K)-331.95
Melting point (K)575265.95
Density (g/cm³)73.11
Atomic number8535
Group nameHalogenHalogen
SymbolAtBr
Discovered (year)19401826



Help · Contact us · Disclaimer · Contributors · Developers · Donate