Potassium oxide

Potassium oxide or potash (formula K₂O) is a compound of potassium and oxygen used mainly as a fertilizer. It is obtained from the combustion of plant material.

Facts

Density (g/cm³) = 2.32
Mean Excitation Energy (eV) = 189.9

Composition

Atomic number	Fraction by weight
8	0.169852
19	0.830148

References

• Composition of Potassium Oxide

See Also: potash