Oxygen 29. September 2015elementadmin ←N O↑ ↓S F→ 8 O oxygen 15.999 8 O -2 O litho Sauerstoff ∙ oxygène ∙ ossigeno ∙ oxígenogroup VI: RH2, RO3 melting point: -218.4°C boiling point: -182.962°C density: 1.33 g/l
