The quark structure of the proton. (The color assignment of individual quarks is not important, only that all three colors are present.) Protons are subatomic particles that cause a positive charge in an atom for balance of neutral charge and negative charge. Protons (also with Neutrons ) are located in the nucleus . This article is a stub. You can help Science Wiki by expanding it. Retrieved from "https://sciences.fandom.com/wiki/Proton?oldid=5157" Categories: Stubs Physics Subatomic Particles Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.