Basic Atomic Structure (Atoms & Ions)

Basic Atomic Structure

(Subatomic Particles)

Subatomic Particle          Mass        Charge

        Proton                 ~ 1 a.m.u           +1

       Electron               ~ 0 a.m.u.           -1

       Neutron               ~ 1 a.m.u.            0

  a.m.u. = atomic mass unit = 1/12 the mass of a carbon-12 atom