No, a proton cannot be split like an atom. Atoms can be split through a process called nuclear fission, where the nucleus of an atom is divided into two or more smaller nuclei. This process is the basis for nuclear power and atomic bombs.
However, protons, which are subatomic particles found within the nucleus of an atom, are not themselves divisible into smaller particles. Protons are classified as elementary particles, meaning they are not composed of smaller constituents. According to our current understanding in particle physics, protons are considered fundamental particles, along with other particles like electrons and quarks.
That being said, protons can undergo interactions and transformations within the realm of particle physics. For example, in high-energy particle collisions, protons can collide and produce new particles through processes such as proton-proton collisions in particle accelerators. But these interactions do not involve splitting a proton into smaller parts, but rather involve rearranging the constituents within the proton or creating new particles from the energy of the collision.
So, while atoms can be split through nuclear fission, protons themselves are not subject to such splitting due to their status as fundamental particles.