Which of the following represents the element copper?

The element copper is represented by the symbol Cu on the periodic table. This is derived from its Latin name "cuprum." The choice that reflects this is Cu. Understanding the symbols for elements is essential in chemistry, as these symbols are used to write chemical equations and formulas.

In contrast, the other symbols are representative of different elements: Cpr is not a recognized chemical symbol; Co represents cobalt; and Cr represents chromium. Each element has a unique symbol that is internationally recognized, which can help avoid confusion in scientific communication.