Protons are positively charged subatomic particles that are essential building blocks of atoms. Along with neutrons, they make up the nucleus of an atom, while electrons orbit around the nucleus. Protons are crucial in determining the atomic number of an element, which in turn dictates its chemical properties. Furthermore, protons are classified as elementary particles, meaning they are not composed of smaller components. They are stable and have a mass approximately 1,836 times that of an electron. The number of protons in an atom is equal to its atomic number, which defines the element itself. For example, an atom with one proton is hydrogen, while an atom with six protons is carbon. In conclusion, protons are fundamental particles that play a significant role in the structure and behavior of atoms. Understanding the properties and functions of protons is essential in comprehending the complexities of the universe.