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Protons are one of the three main subatomic particles that make up an atom, along with neutrons and electrons. Found in the nucleus of an atom, protons carry a positive electric charge and are crucial in determining the identity of an element. The number of protons in an atom's nucleus is known as the atomic number, which helps to classify elements on the periodic table. One of the most incredible aspects of protons is their stability and longevity. Despite their small size, protons are incredibly stable and are not subject to decay in the same way that other subatomic particles are. This stability allows protons to play a key role in the structure and stability of matter in the universe. Furthermore, protons are integral to the fundamental forces that govern the interactions between particles in the universe. Through their positive charge, protons attract negatively charged electrons to form atoms, creating the building blocks of all matter in the universe. The amazing properties of protons make them a vital component in our understanding of the world around us.