magnesium is a combustion of light matter
magnesium_hydroxide is chemical_compound. charcoal_aluminium_and_magnesium is fuels. magnesium_sulfide is chemical_compound. charcoal_aluminium_and_magnesium is not fuels. magnesium is not metal. magnesium_hydroxide is not chemical_compound. magnesium_sulfide is not chemical_compound. magnesium_hydroxide is ionic_compound. magnesium is metallic_element. magnesium is metal.