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Dmitri Ivanovich Mendeleev (/ ˌ m ɛ n d əl ˈ eɪ ə f / MEN-dəl-AY-əf; [2] [b] [a] 8 February [O.S. 27 January] 1834 – 2 February [O.S. 20 January] 1907) was a Russian chemist known for formulating the periodic law and creating a version of the periodic table of elements.
Mendeleev had predicted an atomic mass of 100 for eka-manganese in 1871, and the most stable isotopes of technetium are 97 Tc and 98 Tc. [ 5 ] Germanium was isolated in 1886 and provided the best confirmation of the theory up to that time, due to its contrasting more clearly with its neighboring elements than the two previously confirmed ...
This definition on atoms and molecules made the efforts by Dmitri Ivanovich Mendeleev and Julius Lothar Meyer (1830–1895) on the periodic table of elements, possible. The concept of atoms and molecules were known, but after the Congress the Avogadro-Ampère theory became accepted.
Dmitri Ivanovich Mendeleev (1834–1907), Russian chemist, creator of the Periodic table of elements; John Mercer (1791–1866), chemist and industrialist; Robert Bruce Merrifield (1921–2006), solid-phase chemist, 1984 Nobel Prize in Chemistry
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 ...
Though not published until later, Tishchenko and Mladentsev also wrote a second biography, Дмитрий Иванович Менделеев, его жизнь и деятельность: Университетский период 1861-1890 (Dmitri Ivanovich Mendeleev, his life and work: University period 1861-1890). These biographies ...
In 1862, Pyotr Pavlovich Yershov became the father-in-law of Dmitri Ivanovich Mendeleev, when he married Dmitrije's stepdaughter from his first marriage, Feozva Nikitichna Leshcheva. The help that Yershov provided to the Mendeleev family in Tobolsk during the most difficult times could already be repaid by Professor Mendeleev by supporting his ...
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