Jöns Jacob Berzelius
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Jöns Jacob Berzelius was a Swedish chemist. Berzelius is considered, along with Robert Boyle, John Dalton, and Antoine Lavoisier, to be one of the founders of modern chemistry. Berzelius became a memb
Berzelius in 1826
Daguerreotype of Berzelius
Volumes I-III of Lärbok i kemien
Volumes 4-6 of Lärbok i kemien, titled Lärbok i organiska kemien
Thorium
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Thorium is a chemical element; it has symbol Th and atomic number 90. Thorium is a weakly radioactive light silver metal which tarnishes olive grey when it is exposed to air, forming thorium dioxide;
Jöns Jacob Berzelius
…Among the many minerals and elements he studied, he is credited with discovering cerium and selenium, and with being the first to isolate silicon and thorium. Following on his interest in mineralogy, Berzelius synthesized and chemically characterized new compounds of these and other elements. Berzelius…
A thin square of thorium metal in a glass ampoule
Thor's Fight with the Giants (1872) by Mårten Eskil Winge; Thor, the Norse god of thunder, raising his hammer Mjölnir in a battle against the giants.
Jöns Jacob Berzelius, who first identified thorium as a new element
World War II thorium dioxide gas mantle