Question

What is the smallest particle that can be called an element? proton molecule atom compound

Answer 1

Protons

Explanation:

I'm pretty sure protons are located in an atom

Answer 2

Proton

Explanation:

However, the atom itself is not the smallest known particle, but instead each atom is made up of three individual parts: electrons, protons and neutrons. Furthermore, protons and neutrons themselves are made up of even smaller parts called quarks.