Yes. It is usually a gas unless it is found in a compound like water.
its an invivsible gas
Oxygen is a gas, therefore it is colourless.
oxgen
Photosynthesis
Oxygen's symbol is O, and oxygen in its natural gas state is O2
Non-ionized gas, in dual molecular state (O2).
Change your oxgen Sensors and plugs. This is what worked for me.
The sun's marjor gas is hydrogyen and oxgen which by the way when mixed create a sun flare. Don't Try it at home.
no oxgen no food suplie and all of Jupiter is gas with little or with any solid suface
Oxygen is the gas that is used up when substances burn. The reaction between the substance and oxygen produces heat and light energy.
inorganic
A gas can't turn directly into a solid but a solid can turn into gas for example ice to water vapor.