MeSH definition : Praseodymium. An element of the rare earth family of metals. It has the atomic symbol
Pr, atomic number 59, and atomic weight 140.91.; An element of the rare earth family of metals. It has the atomic symbol Pr, atomic
number 59, and atomic weight 140.91.;
Praseodymium. An element of the rare earth family of metals. It has the atomic symbol
Pr, atomic number 59, and atomic weight 140.91. An element of the rare earth family of metals. It has the atomic symbol Pr, atomic
number 59, and atomic weight 140.91.