Definition Of Radioactive Isotope

Radioactive isotope also called radioisotope radionuclide or radioactive nuclide any of several species of the same chemical element with different masses whose nuclei are unstable and dissipate excess energy by spontaneously emitting radiation in the form of alpha beta and gamma rays.

Definition of radioactive isotope. Any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties. All isotopes have the same number of protons however different isotopes may have differing numbers of neutrons. A radioactive nuclide especially one used within the body for diagnostic or therapeutic purposes. The radiation emitted includes alpha particles nucleons electrons and gamma rays.

An isotope having an unstable nucleus that decomposes spontaneously by emission of a nuclear electron or helium nucleus and radiation thus achieving a stable nuclear composition. Rā dē ō ak tiv ī sŏ tōps isotopes with an unstable nuclear composition. English dictionary definition of radioactive isotope. Radioactive isotope synonyms radioactive isotope pronunciation radioactive isotope translation english dictionary definition of radioactive isotope.

Radioactive isotope by glossary september 7 2020 no comments. An isotope of the chemical element iodine that is radioactive. Radiation therapy tumor detection organ imaging. Radioactive iodine is used in diagnostic tests as well as in radiotherapy of an hyperactive thyroid gland hyperthyroidism most often due to graves disease for hyperthyroidism radioactive iodine is administered in capsule form on a one time basis it directly radiates thyroid tissues thereby destroying them.

A radioactive isotope is an isotope of an element radiating during its decay to a stable form. A chemical element having the same atomic number as another i e the same number of nuclear protons but having a different atomic mass i e a different number of nuclear neutrons. Stable isotope one that does not transmute into another element with emission of corpuscular or electromagnetic radiations. An isotope with an unstable nucleus that spontaneously emits radiation.