Tag: Features of Artificial Radioactive Isotopes

Artificial or Induced Radioactivity

Artificial or Induced Radioactivity: In 1934, I. Curie and F. Joliot discovered that when Aluminium (Al), Magnesium (Mg), or Boron (B) nuclei were bombarded with α-particles, protons, neutrons and positrons were emitted simultaneously. After the removal of the α-source, the emission of neutrons, and protons stopped, but the emission of positrons (+1e0) continued. The continued emission …