O
8 Nonmetal
Oxygen
Symbol O
Atomic Mass 15.999
Oxygen is the chemical element with the symbol O and atomic number 8.
Properties
It is a highly reactive gas and essential for respiration of most living organisms.
Uses
- Steel production.
- Medicine (oxygen therapy).
- Rocket fuel (as oxidizer).
Extraction / Obtención
Fractional distillation of liquid air.