magnesium is a kind of alkaline earth metal
magnesium is metallic_element. magnesium_hydroxide is electrolyte. calcium is alkaline_earth_metal. magnesium is alkaline_earth_metal. one_of_chemical_elements is magnesium. magnesium_hydroxide is inorganic_compound. magnesium_hydroxide is chemical_compound. magnesium is metal. magnesium_hydroxide is salt. potassium is alkaline_metal.