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To determine which particle is the largest among the given options (atom, electron, neutron, proton), we need to consider their relative sizes:
1. Atom: An atom is the basic unit of matter and consists of a nucleus (containing protons and neutrons) surrounded by electrons. Atoms are extremely tiny compared to the other particles mentioned.
2. Electron: Electrons are subatomic particles with a negative charge found orbiting the nucleus of an atom. Electrons are much smaller than protons and neutrons.
3. Neutron: Neutrons are subatomic particles with no charge located in the nucleus of an atom along with protons. Neutrons have a slightly larger mass than protons but are still smaller than atoms.
4. Proton: Protons are positively charged subatomic particles found in the nucleus of an atom along with neutrons. Protons are relatively larger than electrons but still smaller than atoms.
Based on size comparison, the largest particle among the given options is the neutron. Neutrons and protons are roughly similar in size but larger than electrons. Therefore, the neutron is the largest particle in this context.
