Question

copper is made of atoms. an atom is the smallest part of an element. atoms are the building blocks of all materials on earth. if a wire is made of copper, in just 1 inch of this wire, there are billions of copper atoms. copper is an element on the periodic table. what is the very smallest piece of copper possible? a copper atom a copper wire a copper nugget

Explanation:

Atoms are the building - blocks of all materials. Copper is an element and the smallest piece of copper is a copper atom as it retains the chemical properties of copper. A copper wire and a copper nugget are macroscopic objects made up of many copper atoms.

Answer:

a copper atom