A positively charged subatomic particle. The Proton determines the type of element an atom is. It is composed of smaller fundamental particles called quarks. It contains 3 quarks (2 up quarks and 1 down quarks) making it a Baryon. The anti particle of a proton is the antiproton.
examples look up Proton on google images and research on it, also learn about the Periodic Table of Elements!!!!!!!