Isotopes of praseodymium

Praseodymium, which has the atomic number 59, has several isotopes, with a total of 6 known isotopes ranging from \(\text{Pr}^{125}\) to \(\text{Pr}^{135}\). The most stable and naturally occurring isotopes of praseodymium are: 1. **Praseodymium-141 (\(^{141}\text{Pr}\))**: This is the most abundant isotope, constituting about 99.