Rhenium was discovered and first isolated by Masataka Ogawa in 1908. Rhenium is a chemical element with symbol Re and atomic number 75. It is a...
Tungsten was discovered by Carl Wilhelm Scheele in 1781. Tungsten, also known as wolfram, is a chemical element with symbol W and atomic number 74. It...
Tantalum was discovered by Anders Gustaf Ekeberg in 1802. Tantalum is a chemical element with symbol Ta and atomic number 73. It is a shiny, silvery...
Hafnium was discovered and first isolated by Dirk Coster and George de Hevesy in 1922. Hafnium is a chemical element with symbol Hf and atomic number...
Lutetium was discovered by Georges Urbain and Carl Auer von Welsbach in 1906. Lutetium is a chemical element with symbol Lu and atomic number 71. It...
Ytterbium was discovered by Jean Charles Galissard de Marignac in 1878. Ytterbium is a chemical element with symbol Yb and atomic number 70. It is a...
Thulium was discovered and first isolated by Per Teodor Cleve in 1879. Thulium is a chemical element with symbol Tm and atomic number 69. It is...
Erbium was discovered by Carl Gustaf Mosander in 1842. Erbium is a chemical element with symbol Er and atomic number 68. It is a soft, malleable,...
Holmium was discovered by Marc Delafontaine in 1878. Holmium is a chemical element with symbol Ho and atomic number 67. It is a bright, soft, silvery-white,...
Dysprosium was discovered by Lecoq de Boisbaudran in 1886. Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare...
Terbium was discovered and first isolated by Carl Gustaf Mosander in 1842. Terbium is a chemical element with symbol Tb and atomic number 65. It is...
Gadolinium was discovered by Jean Charles Galissard de Marignac in 1880. It is a chemical element with symbol Gd and atomic number 64. It is a...
Europium was discovered in 1901 and is named after the continent of Europe. It is a chemical element with symbol Eu and atomic number 63. It...
Samarium was discovered and first isolated by Lecoq de Boisbaudran in 1879. Samarium is a chemical element with symbol Sm and atomic number 62. It is...
Promethium was discovered by Chien Shiung Wu, Emilio Segrè and Hans Bethe in 1942. Promethium is a chemical element with the symbol Pm and atomic number...
Neodymium was discovered in 1885 by the Austrian chemist Carl Auer von Welsbach. Neodymium is a chemical element with symbol Nd and atomic number 60. It...
Praseodymium was discovered by Carl Auer von Welsbach in 1885. Praseodymium is a chemical element with symbol Pr and atomic number 59. It is a soft,...
Cerium was discovered by Martin Heinrich Klaproth, Jöns Jakob Berzelius & Wilhelm Hisinger in 1803. Cerium is a chemical element with symbol Ce and atomic number...
Lanthanum was discovered by Carl Gustaf Mosander in 1838. It is a chemical element with symbol La and atomic number 57. It is soft, ductile &...
Barium was discovered by Carl Wilhelm Scheele in 1772. Barium is a chemical element with symbol Ba and atomic number 56. It is a soft, silvery...
