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Solid oxygen forms at normal atmospheric pressure at a temperature below 54.36 K (−218.79 °C, −361.82 °F). Solid oxygen O 2 , like liquid oxygen , is a clear substance with a light sky-blue color caused by absorption in the red part of the visible light spectrum.
The oxidation state of oxygen is −2 in almost all known compounds of oxygen. The oxidation state −1 is found in a few compounds such as peroxides . Compounds containing oxygen in other oxidation states are very uncommon: − 1 ⁄ 2 ( superoxides ), − 1 ⁄ 3 ( ozonides ), 0 (elemental, hypofluorous acid ), + 1 ⁄ 2 ( dioxygenyl ), +1 ...
Oxygen storage methods include high-pressure oxygen tanks, cryogenics and chemical compounds. For reasons of economy, oxygen is often transported in bulk as a liquid in specially insulated tankers, since one liter of liquefied oxygen is equivalent to 840 liters of gaseous oxygen at atmospheric pressure and 20 °C (68 °F). [ 20 ]
Oxygen compounds are those chemical compounds which contain the chemical element oxygen. Subcategories. This category has the following 41 subcategories, out of 41 ...
This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately.
Chemical substance – Form of matter; Inorganic compounds by element; List of alloys; List of alkanes; List of elements by name; List of minerals – List of minerals with Wikipedia articles; List of alchemical substances; Polyatomic ion – Ion containing two or more atoms; Exotic molecules – Atoms composed of exotic particles can form ...
Oxygen bar; Oxygen cocktail; Oxygen compounds; Oxygen diffusion-enhancing compound; Oxygen effect; Oxygen evolution; Oxygen isotope ratio cycle; Oxygen plant; Oxygen reduction reaction; Oxygen saturation; Oxygen saturation (medicine) Oxygen scavenger; Oxygen toxicity; Oxygen–hemoglobin dissociation curve; Oxyhydrogen; Ozone–oxygen cycle
Oxygen difluoride – OF 2; Ozone – O 3; Aluminium oxide – Al 2 O 3; Americium(II) oxide – AmO; Americium(IV) oxide – AmO 2; Antimony trioxide – Sb 2 O 3; Antimony(V) oxide – Sb 2 O 5; Arsenic trioxide – As 2 O 3; Arsenic(V) oxide – As 2 O 5; Barium oxide – BaO; Beryllium oxide – BeO; Bismuth(III) oxide – Bi 2 O 3; Bismuth ...