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Protons are one of the three basic subatomic particles that make up atoms, alongside neutrons and electrons. They are located in the nucleus of an atom and carry a positive electric charge. Protons are crucial in determining the atomic number of an element, which defines its unique properties and place on the periodic table. The number of protons in an atom also determines its overall charge. For example, an atom with six protons is carbon, while an atom with eight protons is oxygen. Protons are held together in the nucleus by the strong nuclear force, which overcomes the repulsion between positively charged particles. In addition to their role in atomic structure, protons are essential in nuclear reactions and play a key role in the production of energy in stars. Without protons, the universe as we know it would not exist. Thus, the proton truly is a mighty force in the world of particle physics and beyond.