praseodymium152
Praseodymium-152 is an unstable isotope of the chemical element praseodymium. Praseodymium, denoted by the symbol Pr, has an atomic number of 59, meaning it has 59 protons in its nucleus. Isotopes of an element have the same number of protons but differ in their number of neutrons. Praseodymium-152 has a mass number of 152, indicating it contains 59 protons and 93 neutrons (152 - 59 = 93).
As an unstable isotope, praseodymium-152 undergoes radioactive decay to transform into a more stable nucleus. The