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Protons are subatomic particles found within the nucleus of an atom, along with neutrons. They are positively charged and are essential for the stability of the atom. Protons play a key role in determining the properties of an element and its interactions with other elements. The number of protons in an atom defines its atomic number, which determines its chemical properties. For example, hydrogen has one proton, while carbon has six. Protons also play a vital role in nuclear reactions, such as fusion and fission, which release a tremendous amount of energy. In nature, protons are constantly interacting with other particles, creating the complex web of matter that makes up the universe. Understanding the properties and behavior of protons is essential for physicists and chemists to unlock the mysteries of the universe and develop new technologies.