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.
Its valency is 3. it has 3 valence electrons. Atomic Mass Number Of Boron.The Atomic Mass Number Of Boron Is 10.81<br /> Its Atomic number is 5. It has 5 p neutrons , 6 neutrons and 5 electrons. Its valency is 3. it has 3 valence electrons. Atomic Mass Number Of Boron.The Atomic Mass Number Of Boron Is 10.81<br /> Its Atomic number is 5. It has 5 p neutrons , 6 neutrons and 5 electrons.