Oxygen Molecule in 3D: O₂ Structure and Facts
Oxygen gas is two oxygen atoms joined by a double bond. It makes up about 21% of the air and is the gas our bodies need to release energy from food. In Molecule Studio you can spin the oxygen molecule, zoom in on each atom and measure its bonds.
Explore in 3DOxygen quick facts
| Chemical formula | O₂ |
|---|---|
| Molar mass | 32.0 g/mol |
| Atoms in one molecule | 2 |
| Shape | Linear (two atoms) |
| Group | Gases |
What is oxygen used for?
- Breathing and medical oxygen
- Burning fuels
- Steel making and welding
Interesting facts about oxygen
- About 21% of the air is oxygen.
- Plants release oxygen during photosynthesis.
- Liquid oxygen is pale blue.
- Oxygen is needed for fires to burn.
What you can do in 3D
Turn the molecule to see it from every side, switch between ball and stick, space filling and wire views, and tap atoms to measure bond lengths and angles.
More gases molecules
Oxygen questions
What is the formula of oxygen gas?
O2: two oxygen atoms joined by a double bond.
How much of the air is oxygen?
About 21%. Most of the rest is nitrogen.
Where does oxygen come from?
Mostly from plants, algae and other photosynthesising life.
What colour is liquid oxygen?
Pale blue.
Molecule Studio is made by Julian Neagu, a solo founder in London, as part of VisionVix Simulators. It is free to use in the browser on desktop and phone, with no sign-up. In the tool, molecules load from the built-in library or from PubChem.