organic compounds do not contain potassium
potassium is not metallic_element. potassium is not element. potassium_amide is not inorganic_compound. potassium is not mineral. potassium_sulfate is not inorganic_compound. potassium_phosphate is not inorganic_substance. potassium_bromide is not inorganic_compound. potassium_chloride is not inorganic_compound. potassium_nitrate is not inorganic_compound.