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.
Relative Abundance Question - Chemistry? The relative isotopic mass of this isotope of Argon is 39.961, but the relative atomic mass of argon is 39.948. What can you deduce about the other isotopes of argon?