Is copper wire a compound, mixture, or element? Are synthetic elements metal? Are metals degenerate matter? Is cytosine a pure substance? Is a compound considered a pure substance? Why or why not? Which pure substance can be classified as an element?
Is pewter a ferrous metal? Is chlorine a metal? What is nitrogen? A metal, nonmetal or metalloid? Is sodium a metal? Is boron a chemical element? Is steel a chemical element? Are nonmetals reactive? Is Argon classified as a metal or as a non-metal? What element is a metal with 4 ...