{"id":20403,"date":"2020-02-07T13:27:35","date_gmt":"2020-02-07T12:27:35","guid":{"rendered":"https:\/\/rinconeducativo.org\/efemerides\/el-7-de-febrero-de-1932-se-descubrieron-los-neutrones\/"},"modified":"2026-02-03T10:18:48","modified_gmt":"2026-02-03T09:18:48","slug":"neutrons-discovered-february-7-1932-james-chadwick","status":"publish","type":"re_efemeride","link":"https:\/\/rinconeducativo.org\/en\/anniversaries\/neutrons-discovered-february-7-1932-james-chadwick\/","title":{"rendered":"February 7, 1932 \u2013 James Chadwick refers for the first time to certain particles in the atom\u2019s nucleus as \u2018neutrons\u2019"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"275\" height=\"183\" src=\"https:\/\/rinconeducativo.org\/wp-content\/uploads\/2022\/09\/neutron_2.jpg\" alt=\"\" class=\"wp-image-17959\"\/><\/figure>\n<\/div>\n\n\n<p>The scientific magazine <em>Nature<\/em> published on February 7, 1932, an article by James Chadwick that would change our conception of matter, entitled <em>Possible Existence of a Neutron<\/em>. A few months later, on June 1, the article in which the physicist and Nobel laureate finally proved the existence of the neutron was published in the Royal Society.<\/p>\n\n\n\n<p>Chadwick bombarded a thin sheet of beryllium with alpha particles, and the metal emitted very high-energy radiation, similar to gamma rays. Later experiments showed that these rays consisted of a third type of subatomic particle, which Chadwick called neutrons because they were electrically neutral. With this discovery, for the first time, a complete picture of the atom was offered, something of capital importance for physics and chemistry.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>February 7, 1932 \u2013 James Chadwick refers for the first time to certain particles in the atom\u2019s nucleus as \u2018neutrons\u2019<\/p>\n","protected":false},"author":1088,"featured_media":34018,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[6255,7560,7566,7146,7230],"mes":[7212],"clasificacion_anterior":[7255],"class_list":["post-20403","re_efemeride","type-re_efemeride","status-publish","has-post-thumbnail","hentry","tag-atomos","tag-atomo-en","tag-energia-en","tag-radiation-en","tag-ciencia-en","mes-february"],"acf":{"fecha":"19320207"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>February 7, 1932 \u2013 James Chadwick refers for the first time to certain particles in the atom\u2019s nucleus as \u2018neutrons\u2019 - Rinc\u00f3n educativo<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rinconeducativo.org\/en\/anniversaries\/neutrons-discovered-february-7-1932-james-chadwick\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"February 7, 1932 \u2013 James Chadwick refers for the first time to certain particles in the atom\u2019s nucleus as \u2018neutrons\u2019 - Rinc\u00f3n educativo\" \/>\n<meta property=\"og:description\" content=\"February 7, 1932 \u2013 James Chadwick refers for the first time to certain particles in the atom\u2019s nucleus as \u2018neutrons\u2019\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rinconeducativo.org\/en\/anniversaries\/neutrons-discovered-february-7-1932-james-chadwick\/\" \/>\n<meta property=\"og:site_name\" content=\"Rinc\u00f3n educativo\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-03T09:18:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rinconeducativo.org\/wp-content\/uploads\/2024\/07\/Chadwick_Neutron.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"275\" \/>\n\t<meta property=\"og:image:height\" content=\"183\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/rinconeducativo.org\/en\/anniversaries\/neutrons-discovered-february-7-1932-james-chadwick\/\",\"url\":\"https:\/\/rinconeducativo.org\/en\/anniversaries\/neutrons-discovered-february-7-1932-james-chadwick\/\",\"name\":\"February 7, 1932 \u2013 James Chadwick refers for the first time to certain particles in the atom\u2019s nucleus as \u2018neutrons\u2019 - 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