Praseodymium, atomic no. 59, symbol Pr, weight at 140.91, resembles the typical trivalent rare earth...

Neodymium, atomic no. 60, symbol Nd, weight at 144.24, is the most abundant of the rare earths after...

Samarium, atomic no. 62, symbol Sm, weight at 150.36, is primarily utilized in the production of Sam...

Europium, atomic no. 63, symbol Eu, weight at 151.96, is utilized primarily for its unique luminesce...

Gadolinium, atomic no. 64, symbol Gd, weight at 157.25, is utilized for both its high magnetic momen...