Praseodymium Praseodymium-146 Praseodymium-147 Praseodymium(III)oxide Praseodymium-136 Praseodymium-145 Praseodymium-149 Praseodymium-137 Praseodymium-138 Praseodymium-144 Praseodymium-150 Praseodymium-140 Praseodymium-148 Praseodymium-141 Praseodymium-139 Praseodymium-143 Praseodymium-142 Isotopen van praseodymium