Chalcopyrite is made up of copper, iron and sulfur - CuFeS2. It appears as a yellow mineral sulfide sometimes partially weathered with greenish or bluish copper minerals and yellow to red iron...
All those listed on the periodic table.
by not forming a compound or mixture with another element
The other so called "inert" or "noble" gases: helium, argon, krypton, xenon, radon.
Carbon (C)