“Radioactivity. The emission of radiation from atomic nuclei. Nuclear radiation includes alpha and beta particles, gamma rays, X-rays and neutrons.”
Neutrons outside the nucleus. It actually has to be radiating–for example, alpha particles are helium-4 nuclei, but helium isn’t radioactive.
Filed under Chernobyl, International, Physics, Safety
Posted on February 28, 2006 by Stewart Peterson |
