GENERAL KNOWLEDGE

Detailed explanation-1: -Why some elements are radioactive (unstable). When the atoms of an element have extra neutrons or protons it creates extra energy in the nucleus and causes the atom to become unbalanced or unstable. Whether radioactive elements can become stable and if so, how. The unstable nucleus of radioactive atoms emit radiation.

Detailed explanation-2: -What causes atoms to be radioactive? Atoms found in nature are either stable or unstable. An atom is stable if the forces among the particles that makeup the nucleus are balanced. An atom is unstable (radioactive) if these forces are unbalanced; if the nucleus has an excess of internal energy.

Detailed explanation-3: -Neutrinos traveling through matter, in general, undergo a process analogous to light traveling through a transparent material. This process is not directly observable because it does not produce ionizing radiation, but gives rise to the MSW effect.

Detailed explanation-4: -Why Are Some Atoms Radioactive? The delicate balance of forces among particles keeps the nucleus stable. Any change in the number, the arrangement, or the energy of the nucleons can upset this balance and cause the nucleus to become unstable and create a radioactive atom.

Detailed explanation-5: -Radioactivity is due to the spontaneous decay of the nucleus accompanied by the emission of alpha particles, beta particles or gamma rays. The nucleus of a radioactive element causes the low binding energy.