 Isotopes of neodymium

Neodymium (Nd) has several isotopes, with the most stable and significant ones being: 1. **Neodymium-144 (Nd-144)**: This isotope has a half-life of about 2.29 million years and is stable. 2. **Neodymium-145 (Nd-145)**: Another stable isotope with no significant radioactivity. 3. **Neodymium-146 (Nd-146)**: This isotope has a half-life of about 5.