Protons are subatomic particles found within the atomic nucleus of all elements. They carry a positive electric charge and are essential for the stability of an atom. Along with neutrons, protons help form the nucleus of an atom, around which electrons orbit. One of the key characteristics of protons is their positive charge, which is equal in magnitude to the negative charge of electrons. This balance of positive and negative charges is what holds the atom together, preventing the electrons from flying off into space. Protons also play a vital role in determining the identity of an element. The number of protons in the nucleus of an atom is known as the atomic number, which distinguishes one element from another on the periodic table. In conclusion, protons are fundamental particles that contribute to the structure and stability of matter. Their positive charge and presence in the atomic nucleus make them indispensable components of the universe.