What is something interesting about the copper, gold, and scandium in the elements?

Copper: All gold contains some level of copper, even in 24 karat gold.

Gold: Gold is the only metal that has a yellow or golden color. Other substances have some sort of chemical change to be that color.

Scandium: Scandium has a higher melting point than aluminum even though they have almost the same density.

Explanation:

These are just some interesting facts. I hope this helps.