{"id":2654,"date":"2025-06-27T16:46:50","date_gmt":"2025-06-27T11:16:50","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2654"},"modified":"2025-06-29T16:44:50","modified_gmt":"2025-06-29T11:14:50","slug":"plutonium-pu","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/plutonium-pu\/","title":{"rendered":"Plutonium (Pu)"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\ud83d\udd39 Basic Information<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Element Name<\/strong>: Plutonium<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Glenn T. Seaborg, Edwin McMillan, Joseph W. Kennedy, Arthur C. Wahl<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: 1940<\/li>\n\n\n\n<li><strong>Category<\/strong>: Actinide Series \/ Radioactive Metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: Actinides (no formal group number)<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid \ud83e\uddca<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Plutonium is a <strong>silvery-gray radioactive metal<\/strong> used mainly in nuclear reactors and weapons. It is <strong>man-made<\/strong> but also found in tiny amounts in nature.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd38 Chemical Properties<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chemical Symbol<\/strong>: Pu<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 94<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~244 u (most common isotope Pu-244)<\/li>\n\n\n\n<li><strong>Valency<\/strong>: +3, +4, +5, +6 (commonly +4 and +6)<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Rn] 5f\u2076 7s\u00b2<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Plutonium can exist in several different <strong>oxidation states<\/strong>, making its chemistry complex and interesting.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcd8 Basic Things to Know<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Named after the dwarf planet <strong>Pluto<\/strong>, Plutonium follows Uranium and Neptunium in the periodic table, continuing the theme of naming elements after planets \ud83c\udf0c.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\udd14 Interesting Facts<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Key material used in <strong>nuclear weapons<\/strong> and <strong>nuclear reactors<\/strong><\/li>\n\n\n\n<li>Plutonium-239 isotope is <strong>fissile<\/strong>, meaning it can sustain a nuclear chain reaction \u269b\ufe0f<\/li>\n\n\n\n<li>Has a <strong>half-life of about 24,100 years<\/strong>, so it stays radioactive for a very long time<\/li>\n\n\n\n<li>Used in <strong>radioisotope thermoelectric generators (RTGs)<\/strong> to power spacecraft like the Voyager probes \ud83d\ude80<\/li>\n\n\n\n<li>Highly toxic and radioactive, requiring <strong>careful handling and storage<\/strong> \u2622\ufe0f<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd27 Common Uses<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714\ufe0f <strong>Nuclear Energy<\/strong>:<br>Used as fuel in <strong>fast breeder reactors<\/strong> and other nuclear reactors to produce energy<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714\ufe0f <strong>Nuclear Weapons<\/strong>:<br>Essential for the core of <strong>atomic bombs<\/strong> due to its fission properties<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714\ufe0f <strong>Space Exploration<\/strong>:<br>Pu-238 powers <strong>spacecraft and Mars rovers<\/strong> through radioisotope thermoelectric generators<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcda Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Plutonium is a <strong>powerful, radioactive metal<\/strong> that plays a vital role in energy production and defense. It teaches students about <strong>nuclear chemistry, energy, and the impact of science on world history<\/strong> \u2014 showing both the power and responsibility that come with advanced technology. \ud83c\udf0d\u269b\ufe0f<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd39 Basic Information Plutonium is a silvery-gray radioactive metal used mainly in nuclear reactors and weapons. It is man-made but also found in tiny amounts in nature. \ud83d\udd38 Chemical Properties Plutonium can exist in several different oxidation states, making its chemistry complex and interesting. \ud83d\udcd8 Basic Things to Know Named after the dwarf planet Pluto,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2775,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[672],"tags":[656,652,653,661,647,643,648,670,666,664,662,650,651,645,660,663,655,646,657,659,658,665,642,644,668,669,667,649,671,654],"class_list":["post-2654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-periodic-table-for-students","tag-actinides","tag-alkali-metals","tag-alkaline-earth-metals","tag-atomic-mass","tag-atomic-number","tag-chemical-elements","tag-chemical-symbols","tag-chemistry-basics","tag-chemistry-study-guide","tag-electron-configuration","tag-electronegativity","tag-element-groups","tag-element-periods","tag-element-properties","tag-halogens","tag-ionization-energy","tag-lanthanides","tag-mendeleev-periodic-table","tag-metalloids","tag-noble-gases","tag-nonmetals","tag-oxidation-states","tag-periodic-table","tag-periodic-table-elements","tag-periodic-table-explained","tag-periodic-table-facts","tag-periodic-table-for-students","tag-periodic-trends","tag-science-education","tag-transition-metals"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\ud83d\udd39 Basic Information Element Name: Plutonium Discovered By: Glenn T. 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