Ключевые слова: 3d, alpha, alpha particle, argentum, atom, background, blue, circle, core, disintegration, education, electron, elementary particles, emission, gamma, gamma ray, heavy, illustration, ionizing, laboratory, micro, neutron, nuclear physics, nucleus, particle, photodisintegration, photon, proton, quantum physics, radiation, ray, red, round, scheme, science, stars, wallpaper, yellow,