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  2. Germanium - Wikipedia

    en.wikipedia.org/wiki/Germanium

    [note 2] However, the name "neptunium" had already been given to another proposed chemical element (though not the element that today bears the name neptunium, which was discovered in 1940). [note 3] So instead, Winkler named the new element germanium (from the Latin word, Germania, for Germany) in honor of his homeland. [15]

  3. Clemens Winkler - Wikipedia

    en.wikipedia.org/wiki/Clemens_Winkler

    To place germanium into the periodic table, Mendeleev suggested that it might be ekacadmium, an element he had predicted earlier. In contrast, Lothar Meyer favored an identification of germanium with ekasilicon, a different predicted element. Winkler isolated more of the pure material, and eventually obtained enough to measure some of its ...

  4. List of German inventors and discoverers - Wikipedia

    en.wikipedia.org/wiki/List_of_German_inventors...

    Clemens Alexander Winkler: Chemist who discovered the element germanium in 1886. August Wöhler: Investigated fatigue phenomena in the behavior of materials; Friedrich Wöhler: The first to synthesize urea. Wöhler is regarded as a pioneer in organic chemistry.

  5. Discovery of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Discovery_of_chemical_elements

    [169] [170] Hafnium was the last stable element to be discovered (noting however the difficulties regarding the discovery of rhenium). 43 Technetium: 1937 C. Perrier and E. Segrè: 1937 C. Perrier & E. Segrè The two discovered a new element in a molybdenum sample that was used in a cyclotron, the first element to be discovered by synthesis. It ...

  6. List of chemical elements named after places - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements...

    32 of these have names tied to the Earth and the other 10 have names connected to bodies in the Solar System. The first tables below list the terrestrial locations (excluding the entire Earth itself, taken as a whole) and the last table lists astronomical objects which the chemical elements are named after. [1]

  7. History of the periodic table - Wikipedia

    en.wikipedia.org/wiki/History_of_the_periodic_table

    This is an accepted version of this page This is the latest accepted revision, reviewed on 17 November 2024. Development of the table of chemical elements The American chemist Glenn T. Seaborg —after whom the element seaborgium is named—standing in front of a periodic table, May 19, 1950 Part of a series on the Periodic table Periodic table forms 18-column 32-column Alternative and ...

  8. Naming of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Naming_of_chemical_elements

    The Americans also wished to name element 106 seaborgium. This naming dispute ran from the 1970s (when the elements were discovered) to the 1990s, when the International Union of Pure and Applied Chemistry (IUPAC) created a tentative list of the element names for elements 104 to 109. The Americans, however, refused to agree with these names ...

  9. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...