It is practically impossible to answer this. The list is pretty vast.
Calcium is a chemical element not a compound.
Organic compound
H2O (water) is an inorganic compound, not an organic compound. Inorganic compounds do not contain carbon-hydrogen (C-H) bonds, which are characteristic of organic compounds.
Inorganic
inorganic
inorganic
Acetone is an organic compound.
Ethanol is an organic compound.
organic compounds contain carbon bonded to hydrogen. Inorganic compounds do not.
Potassium is not an organic compound. It is an element.
Inorganic compounds are compounds that are not organic. A compound is organic if it contains Carbon. So basically any compound without carbon is inorganic.
Because it is an element of the periodic table. For something to be organic it must be a compound containing carbon.