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This list of chemical elements named after people includes elements named for people both directly and indirectly. Of the 118 elements, 19 are connected with the names of 20 people. 15 elements were named to honor 16 scientists (as curium honours both Marie and Pierre Curie). Four others have indirect connection to the names of non-scientists. [1]
41 of the 118 known elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the places on Earth, and the other nine are named after to Solar System objects: helium for the Sun; tellurium for the Earth; selenium for the Moon; mercury (indirectly), uranium, neptunium and plutonium after their respective ...
Chemical elements are sometimes named after people, especially the synthetic elements discovered (created) after c. 1940. Very few are named after their discoverers, and only two have been named after living people: the element seaborgium was named after Glenn Seaborg , who was alive at the time of naming in 1997; [ 5 ] and in 2016 oganesson ...
This list of chemical elements named after places includes elements named both directly and indirectly for places. 41 of the 118 chemical elements have names associated with, or specifically named for, places around the world or among astronomical objects.
Although the 5f orbitals are unoccupied in an actinium atom, it can be used as a valence orbital in actinium complexes and hence it is generally considered the first 5f element by authors working on it. [26] [27] [28] Ac 3+ is the largest of all known tripositive ions and its first coordination sphere contains approximately 10.9 ± 0.5 water ...
Charles Hatchett named element 41 columbium in 1801 [4] (Cb), [5] but after the publication of On the Identity of Columbium and Tantalum by William Hyde Wollaston in 1809, the claims of discovery of Hatchett were mistakenly considered refuted. [6] In 1846, Heinrich Rose discovered that tantalite contained an element similar to tantalum and ...
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This was a break from the convention used for elements 95 to 97, which drew inspiration from how the elements directly above them in the periodic table were named. [33] [e] However, the element directly above element 98 in the periodic table, dysprosium, has a name that means "hard to get at", so the researchers decided to set aside the ...