Oxygen
| O | 8 |
| Oxygen | |
Abundance: 0.13% (atmosphere)
Oxygen (periodic table symbol: O8) is a chemical element that can be found in the atmosphere and in several minerals on Mars.
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Production
Oxygen can be produced
- in greenhouses by plants.
- by reduction of carbon dioxide from the martian atmosphere
- by reduction of oxide minerals
- by electrolysis of water
