text: what is the most common metal in the human body?  ;p?   most common metal is calcium oxygen, carbon, hydrogen, and nitrogen are all nonmetals  oxygen (65%)  carbon (18%)  hydrogen (10%)  nitrogen (3%)  calcium (1.5%)  phosphorus (1.0%)  potassium (0.35%)  sulfur (0.25%)  sodium (0.15%)  magnesium (0.05%)  copper, zinc, selenium, molybdenum, fluorine, chlorine, iodine, manganese, cobalt, iron (0.70%)  lithium, strontium, aluminum, silicon, lead, vanadium, arsenic, bromine (trace amounts)