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 of Potassium Oxide (http://physics.nist.gov/cgi-bin/Star/compos.pl?matno=237)

See Also: potash

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