Non-Hodgkin lymphoma is broadly divided into two major groups: B-cell lymphomas (which develop from abnormal B-lymphocytes, which is most common), and T-cell lymphomas (which develop from abnormal T-lymphocytes). Lymphocytes are a type of white blood cell that helps the body fight infections.
The atomic number of radon (Rn) is 86 and the atomic weight of Rn is 222 grams/mole.
1-800-220-3675. Radon is a radioactive gas that comes from the natural radioactive decay of radium, which is a natural decay product of uranium. Scientifically, âradonâ is known to be radon-222, the most abundant isotope of the element radon.hey are present in any environment where radon is found and, like radon, cannot be detected by human senses. Uranium is a natural part of the earthâs crust; therefore, radium and radon are also naturally present.