Niagara Falls Weather. Stay up to date on the latest weather forecast in Niagara Falls to help you make the most out of your next visit. Current Weather.
A subatomic particle is a unit of matter or energy that's the fundamental makeup of all matter. According in modern atomic theory, an atom has a nucleus, which is its center, or core. The nucleus contains subatomic particles: protons and neutrons. Protons are positively-charged particles.
The largest subatomic particle (by mass) is the proton. The mass of subatomic particles is measured in atomic mass units (amu). The proton has a mass of 1.007 amu, the neutronâ¦ has a mass of 1 amu, and the electron has a mass of .0005 amu. 5 people found this useful.