An atom is made of three particles, protons, neutrons, and electrons. Protons and neutrons make up the nucleus of the atom.[1] Half of this page was just sacrificed to Icewedge. I
A proton is made up of two up quarks and one down quark. According to the Standard Model of particle physics, quarks are fundamental particles, meaning that they cannot be split into smaller particles.[2]
Properties
- mass: 1.6726231e-27 kg
- charge: 1.60218925e-19 C