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  • Numar atomic: 8
  • Grupa: 16
  • Perioada: 2
  • Serie chimica: Nemetale
  • Proprietati atomice (8 protoni / electroni)
  • Masa atomica: 15.9994 uam
  • Energie atomica: 0.0239 Ergi
  • Raza atomica: 0.65 Angstrom
  • Volum atomic: 14.0 cm^3mol^{-1} \!
  • Raza covalenta: 0.73 Angstrom
  • 15 izotopi: de la 12O la 26O
  • Izotopi stabili: 16O; 17O; 18O
  • Proprietati fizice
  • Stare de agregare: Gaz
  • Densitate: 0.001429 g cm^{-3} \!
  • Punct de topire: -218.4 ºC
  • Punct de fierbere: -183.0 ºC
  • Energie de combinare: 0.2226 kJ mol^{-1} \!
  • Caldura de vaporizare: 3.41 kJ mol^{-1} \!
  • Caldura specifica: 0.92 J g-1 K^{-1} \!
  • Conductivitate electrica: Nu s-a putut interpreta (eroare lexicală): ? · 106 cm^{-1} Ohm^{-1} \!
  • Conductivitate termica: 0.000267 W cm^{-1} K^{-1} \!
  • Proprietati chimice
  • Valenta: -2
  • Configuratie electronica: 2;6
  • Electronegativitate: 3.44
  • Primul potential de ionizare: 13.6 Volti
  • Al doilea potential de ionizare: 35.1 Volti
  • Al treilea potential de ionizare: 54.9 Volti

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