Resultado de búsqueda
Marguerite Catherine Perey (* 19. Oktober 1909 in Villemomble; † 13. Mai 1975 in Louveciennes) war eine französische Chemikerin und Physikerin
Other articles where Marguerite Perey is discussed: francium: French chemist Marguerite Perey discovered francium (1939) while studying actinium-227, which decays by negative beta decay (electron emission) to an isotope of thorium (thorium-227) and by alpha emission (about 1 percent) into an isotope of francium (francium-223) that was formerly called actinium K (AcK) and is a…
3 de dic. de 2014 · Dec. 3, 2014. Just after Christmas of 1938, a young woman named Marguerite Perey — then 29, with a plain, open face, her eyes intent upon her work — sat at a bench in the Radium Institute of ...
7 de ene. de 2021 · Perey tested her hypothesis by precipitating caesium as the perchlorate in the presence of the new element. Perey was right – the new element 87 co-precipitated with caesium, proving that it had very similar chemical properties. As the discoverer, Perey had the privilege of naming the new element. She called it francium, after her native France.
Perey, Marguerite (1909–1975)French nuclear chemist and physicist who discovered Francium, the 87th element in the periodic table, in 1938. Born Marguerite Catherine Perey on October 19, 1909, in Villemomble, France; died in Louveciennes, France, on May 14, 1975; youngest of five children of an industrialist; never married.
Marguerite Catherine Perey ( Villemomble, 19 ottobre 1909 – Louveciennes, 13 maggio 1975 [1]) è stata una chimica francese . È nota soprattutto per aver scoperto, nel 1939, l'elemento chimico francio, isolato attraverso la purificazione di lantanio contenente attinio. Le diede questo nome in omaggio alla sua nazionalità francese.
Marguerite Catherine Perey ( Villemomble, 19 de outubro de 1909 — Louveciennes, 13 de maio de 1975) foi uma física e química francesa. Descobriu o elemento químico frâncio em 1939. [ 1] A partir de 1929 foi assistente de Marie Curie, no "Instituto do Rádio" (atual Instituto Curie ), onde permaneceu como técnica até a morte de Curie, em ...
