10 Things You Didnât Know About Chronic Fatigue Syndrome. Chronic Fatigue Syndrome (CFS) is undeniably complicated in every conceivable way. The disorder has been around for decades, but the medical community has yet to assemble a clear picture of it. The condition is characterized by extreme fatigue that canât be explained by any underlying medical condition.
A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is an atom that has excess nuclear energy, making it unstable.
Orbit Orbital As postulated by Bohr, an orbit is a definite circular path at a definite d... Nuclide, Isotopes, Isobars & Isotones. Nuclide: A Nuclide is a particular nucleus characterized by a defined atomic number and mass number.