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Multiple Choice

What are the parts of an atom?

Understanding what makes up an atom: atoms have three main subatomic particles—the proton, the neutron, and the electron. Protons carry a positive charge and sit in the nucleus, alongside neutrons which have no charge. The nucleus is the dense core that contains most of the atom’s mass. Electrons, which are negatively charged, orbit around the nucleus in electron clouds or orbitals and give the atom its overall electrical neutrality. So the parts of an atom are protons, neutrons, and electrons, with the nucleus housing the protons and neutrons and the electrons surrounding it. The order of listing these parts doesn’t change what the atom is made of, but this combination is what defines its structure.

Understanding what makes up an atom: atoms have three main subatomic particles—the proton, the neutron, and the electron. Protons carry a positive charge and sit in the nucleus, alongside neutrons which have no charge. The nucleus is the dense core that contains most of the atom’s mass. Electrons, which are negatively charged, orbit around the nucleus in electron clouds or orbitals and give the atom its overall electrical neutrality. So the parts of an atom are protons, neutrons, and electrons, with the nucleus housing the protons and neutrons and the electrons surrounding it. The order of listing these parts doesn’t change what the atom is made of, but this combination is what defines its structure.