A proton is a subatomic particle that carries a positive electric charge. It is one of the fundamental particles that make up the atom, along with neutrons and electrons. Protons are found in the nucleus of an atom, tightly bound with neutrons.
In terms of quantum physics, protons are indeed considered quantum particles. Quantum mechanics is a branch of physics that describes the behavior of particles at the atomic and subatomic levels. According to quantum mechanics, particles like protons do not behave like classical objects with definite positions and velocities. Instead, they exhibit wave-particle duality, meaning they can exhibit both particle-like and wave-like properties.
Protons, along with other particles, are described by wave functions, which are mathematical functions that represent the probability distribution of finding the particle in different states. These wave functions undergo quantum superposition, meaning that a particle can exist in a combination of different states simultaneously. The behavior of protons, as well as other subatomic particles, is governed by the principles of quantum mechanics.