What are the basic properties of Oxygen?
Oxygen (symbol: O) is a nonmetal with atomic number 8. Its atomic mass is 15.999 u, and it belongs to period 2 and group 16.
Oxygen (symbol: O) is a nonmetal with atomic number 8. Its atomic mass is 15.999 u, and it belongs to period 2 and group 16.
The electron configuration is: 1s² 2s² 2p⁴
Melting point: 54.36 K
Boiling point: 90.2 K
Density: 0.001429 g/cm³
Biological role: Essential for cellular respiration in most life forms
Natural occurrence: Makes up 21% of Earth's atmosphere, abundant in Earth's crust