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Protons are subatomic particles that carry a positive electrical charge. Along with neutrons and electrons, they form the building blocks of atoms. Protons are located in the nucleus of an atom, along with neutrons, while electrons orbit around the nucleus. One of the key characteristics of protons is their positive charge, which is equal in magnitude but opposite in sign to the negative charge of electrons. This charge interaction is what holds the nucleus together and keeps the electrons in orbit around it. Protons also play a crucial role in determining the identity of an atom. The number of protons in an atom's nucleus, known as its atomic number, determines its chemical properties and place on the periodic table. For example, all atoms with six protons are carbon atoms, while atoms with eight protons are oxygen atoms. In summary, protons are fundamental particles that are essential for the structure and behavior of atoms. Their positive charge and role in atomic identity make them a key component of the universe's building blocks.#37#