Answer:
I think a is the best answer. but really I can not confirm that.sorry for that.
Atoms are the smallest bits of ordinary matter and are made from particles called protons, neutrons and electrons while a An element is a substance that is made entirely from one type of atom
Answer:
They are atoms that make up a subatomic particle
Explanation:
Atoms are made up of protons, neutrons and electrons, also known as subatomic particles. Because an atom is neutral, the number of electrons is equal to the number of protons. Electrons circle the nucleus, which is made up of protons and neutrons.