Humans need a some amount of certain metals to function normally. Most metals are used as cofactors in enzymes, catalyzing useful reactions and serving important roles.
lead
Manganese is a metal. It is also used as an alloying element in steel.
Uranium or plutonium
UraniumIronLeadCadmiumetc.
lead
iron
Francium is the most metallic element. :)
metallic element used as an alloy in wheels for classic cars
Yes, because it is definitely an element and it is made from a metal thus making it a metallic element
Mercury (Hg) is a liquid metallic element.
iron
iron