- boiling point
- 90.15
- cyflwr ocsidiad
- -2, -1, 1, 2
- cyflymder golau
- 317.5
- dwysedd
- 1804.13
- dyddiad darganfod
- 1771, 1774
- electronegatifedd
- 3.44
- fformwla gemegol
- O
- frequency
- 60
- ionic radius
- 142, 1.21, 1.40
- ionization energy
- 1313.9, 3388.3, 5300.5, 7469.2
- llythyren Unicode
- 氧
- màs
- 15.999
- radiws
- 60, 73, 152, 48
- rhif atomig
- 8
- specific heat capacity
- 920.0
- standard enthalpy of formation
- 249.18
- standard molar entropy
- 161.059
- symbol yr elfen
- O
- thermal conductivity
- 0.02658
- trefn yr electronnau
- [He] 2s² 2p⁴, 1s² 2s² 2p⁴
- ymdoddbwynt
- 54.8