Radioisotopic dating method currently used

For example, iodine is metabolised by the thyroid, which makes iodine-123 useful for thyroid investigations.Gamma-emitting sources are the best isotopes to use for nuclear medicine.Gamma radiation is the most useful for diagnosis because gamma rays are highly penetrating and not as ionising as alpha or beta particles.

What are the properties of radioisotopes that make them useful for medical diagnosis? - Matt (Apprentice) If the radioisotope remains in the patient's body for a long time after the scan, the half life must be long enough for a scan to be taken, but short enough that it will be mostly decayed shortly after the scan so that the patient does not remain radioactive. Curie · Skłodowska-Curie · Davisson · Fermi · Hahn · Jensen · Lawrence · Mayer · Meitner · Oliphant · Oppenheimer · Proca · Purcell · Rabi · Rutherford · Soddy · Strassmann · Szilárd · Teller · Thomson · Walton · Wigner The three naturally-occurring isotopes of hydrogen.The number of protons within the atom's nucleus is called atomic number and is equal to the number of electrons in the neutral (non-ionized) atom. From left to right, the isotopes are protium ( Isotopes are variants of a particular chemical element which differ in neutron number. The fact that each isotope has one proton makes them all variants of hydrogen: the identity of the isotope is given by the number of neutrons.

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