Potassium Oxide
Potassium oxide
or
potash
(formula
K
2
O
) is a
compound
of
potassium
and
oxygen
used mainly as a
fertilizer
. It is obtained from the
combustion
of plant material.
Facts
Density (g/cm
3
) = 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
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