What three particles make up most atoms?

What three particles make up most atoms?

• Correct Answer: protons, electrons and neutrons
• neutrons, protons and radii
• protons, electrons and nucleus
• micrometres , electrons and neutrons

Explanation: A neutron is one of three main particles that make up the atom. The other two particles are the proton and electron. Atoms of all elements—except for most atoms of hydrogen—have neutrons in their nucleus. The nucleus is the small, dense region at the center of an atom where protons are also found. Atoms generally have about the same number of neutrons as protons. For example, all carbon atoms have six protons and most also have six neutrons. A model of a carbon atom is shown in the Figure below . For an excellent video explaining the structure of atoms, including neutrons, go to this URL:.

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