Terbium
What is terbium?
Terbium is a chemical element or rare earth metal in the periodic table with the symbol Tb and atomic number 65. It...
Gadolinium
What is gadolinium?
Gadolinium is a chemical element or rare earth metal in the periodic table with the symbol Gd and atomic number 64. It...
Europium
What is europium?
Europium is a chemical element or rare earth metal in the periodic table with the symbol Eu and atomic number 63. It...
Samarium
What is samarium?
Samarium is a chemical element or rare earth metal in the periodic table with the symbol Sm and atomic number 62. It...
Promethium
What is promethium?
Promethium is a chemical element or rare earth metal in the periodic table with the symbol Pm and atomic number 61. It...
Neodymium
What is neodymium?
Neodymium is a chemical element or rare earth metal in the periodic table with the symbol Nd and atomic number 60. It...
Praseodymium
What is praseodymium?
Praseodymium is a chemical element or rare earth metal in the periodic table with the symbol Pr and atomic number 59. It...
Cerium
What is cerium?
Cerium is a chemical element or rare earth metal in the periodic table with the symbol Ce and atomic number 58. It...