Atoms, Protons, Neutrons & Electrons: An Educational Physics Journey Posted: February 22, 2025 | Last updated: March 8, 2025 The film discusses the dual nature of atomic energy, likening it to the ...

The mass of electrons is very small compared to protons and neutrons. Since a nucleus contains protons and neutrons, most of the mass of an atom is concentrated in its nucleus. Protons and ...