{"id":40287,"date":"2020-06-19T10:36:00","date_gmt":"2020-06-19T08:36:00","guid":{"rendered":"https:\/\/rinconeducativo.org\/?post_type=re_efemeride&#038;p=40287"},"modified":"2025-06-11T11:36:02","modified_gmt":"2025-06-11T09:36:02","slug":"19-junio-1896-nace-sonia-cotelle-determino-semivida-torio-230-establecio-numero-atomico-polonio","status":"publish","type":"re_efemeride","link":"https:\/\/rinconeducativo.org\/es\/efemerides\/19-junio-1896-nace-sonia-cotelle-determino-semivida-torio-230-establecio-numero-atomico-polonio\/","title":{"rendered":"19 de junio de 1896 - Nace Sonia Cotelle, determin\u00f3 la semivida del torio-230 y estableci\u00f3 el n\u00famero at\u00f3mico del polonio"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"239\" src=\"https:\/\/rinconeducativo.org\/wp-content\/uploads\/2025\/06\/Cotelle_Sonia_Mujeres-con-Ciencia.jpg\" alt=\"\" class=\"wp-image-40288\"\/><\/figure>\n<\/div>\n\n\n<p>Diplomada en qu\u00edmica general, biol\u00f3gica y aplicada en la Universidad de la Sorbona (Francia), se especializ\u00f3 en fuentes radiactivas.<\/p>\n\n\n\n<p>En 1919, comenz\u00f3 su trabajo como investigadora incorpor\u00e1ndose al equipo de la cient\u00edfica <a href=\"https:\/\/rinconeducativo.org\/es\/recursos-educativos\/lamina-interactiva-sobre-marie-curie\/\" target=\"_blank\" rel=\"noreferrer noopener\">Marie Curie<\/a> en el Institut du Radium (actual Museo Curie) de Par\u00eds (Francia).<\/p>\n\n\n\n<p>Entre 1926 y 1927 investig\u00f3 sobre el polonio y el actinio en colaboraci\u00f3n con Marie Curie. Asimismo, determin\u00f3 la semivida o el tiempo de vida medio del ionio, el nombre por el que se conoc\u00eda al torio-230 en aquella \u00e9poca.<\/p>\n\n\n\n<p>Durante su etapa en Checoslovaquia, donde vivi\u00f3 entre 1927 y 1936, Cotelle determin\u00f3 el n\u00famero at\u00f3mico del polonio por espectroscopia de<a href=\"https:\/\/rinconeducativo.org\/es\/?s=rayos+x&amp;wpessid=12518\" target=\"_blank\" rel=\"noreferrer noopener\"> rayos X<\/a>. <\/p>\n\n\n\n<p>Si quieres saber m\u00e1s sobre esta cient\u00edfica, haz clic en el siguiente enlace: <a href=\"https:\/\/rinconeducativo.org\/es\/recursos-educativos\/sonia-cotelle-determino-semivida-torio-230-establecio-numero-atomico-polonio\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sonia Cotelle<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>19 de junio de 1896 - Nace Sonia Cotelle, determin\u00f3 la semivida del torio-230 y estableci\u00f3 el n\u00famero at\u00f3mico del polonio<\/p>\n","protected":false},"author":1088,"featured_media":40288,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[6071],"mes":[7121],"clasificacion_anterior":[],"class_list":["post-40287","re_efemeride","type-re_efemeride","status-publish","has-post-thumbnail","hentry","tag-tabla-periodica","mes-junio"],"acf":{"fecha":"18960619"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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