{"id":2613,"date":"2025-06-27T16:20:13","date_gmt":"2025-06-27T10:50:13","guid":{"rendered":"https:\/\/texpertssolutions.com\/notes\/?p=2613"},"modified":"2025-06-29T16:44:51","modified_gmt":"2025-06-29T11:14:51","slug":"lead-pb","status":"publish","type":"post","link":"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/lead-pb\/","title":{"rendered":"Lead (Pb)"},"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>: Lead<\/li>\n\n\n\n<li><strong>Discovered By<\/strong>: Known since ancient times (used by Egyptians and Romans)<\/li>\n\n\n\n<li><strong>Year of Discovery<\/strong>: Ancient (prehistory)<\/li>\n\n\n\n<li><strong>Category<\/strong>: Post-transition Metal<\/li>\n\n\n\n<li><strong>Group<\/strong>: 14<\/li>\n\n\n\n<li><strong>State at Room Temperature<\/strong>: Solid (soft, bluish-gray metal) \u2699\ufe0f<\/li>\n<\/ul>\n\n\n\n<p>Lead is a <strong>dense, soft metal<\/strong> that\u2019s easy to shape and has been used for thousands of years.<\/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>: Pb<\/li>\n\n\n\n<li><strong>Atomic Number<\/strong>: 82<\/li>\n\n\n\n<li><strong>Atomic Mass<\/strong>: ~207.2 u<\/li>\n\n\n\n<li><strong>Valency<\/strong>: +2, +4<\/li>\n\n\n\n<li><strong>Electronic Configuration<\/strong>: [Xe] 4f\u00b9\u2074 5d\u00b9\u2070 6s\u00b2 6p\u00b2<\/li>\n<\/ul>\n\n\n\n<p>Lead is resistant to corrosion but can react with acids and bases under certain conditions.<\/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>Lead was once widely used in pipes, paints, and gasoline additives but is now limited due to its <strong>toxicity<\/strong>.<\/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>The symbol \u201cPb\u201d comes from the Latin word <em>\u201cplumbum\u201d<\/em> meaning \u201cliquid silver\u201d \u2697\ufe0f<\/li>\n\n\n\n<li>Romans used lead for plumbing and cooking vessels, not knowing it\u2019s poisonous \ud83c\udfdb\ufe0f<\/li>\n\n\n\n<li>Lead can build up in the body and cause serious health problems, especially in children \u26a0\ufe0f<\/li>\n\n\n\n<li>Despite toxicity, lead shields radiation in hospitals and nuclear facilities \ud83d\udee1\ufe0f<\/li>\n\n\n\n<li>It\u2019s very dense\u2014heavier than many other metals of similar size! \u2696\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<ul class=\"wp-block-list\">\n<li><strong>Batteries<\/strong>: Lead-acid batteries for cars and backup power \ud83d\udd0b<\/li>\n\n\n\n<li><strong>Radiation Shielding<\/strong>: Protective gear and barriers in X-ray and nuclear facilities \ud83d\udee1\ufe0f<\/li>\n\n\n\n<li><strong>Ammunition<\/strong>: Bullets and shot (though being phased out due to environmental concerns) \ud83d\udd2b<\/li>\n\n\n\n<li><strong>Glass &amp; Ceramics<\/strong>: Adds weight and durability in specialty glass and glazes \u2697\ufe0f<\/li>\n\n\n\n<li><strong>Alloys<\/strong>: Combined with other metals to improve strength and corrosion resistance \u2699\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\udcda Conclusion<\/h2>\n\n\n\n<p>Lead is a <strong>useful but hazardous metal<\/strong> with a long history. For students, it\u2019s a good example of why understanding <strong>element properties<\/strong> is important for health and environment! \ud83c\udf0d\u26a0\ufe0f<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd39 Basic Information Lead is a dense, soft metal that\u2019s easy to shape and has been &hellip; <a title=\"Lead (Pb)\" class=\"hm-read-more\" href=\"https:\/\/texpertssolutions.com\/notes\/2025\/06\/27\/lead-pb\/\"><span class=\"screen-reader-text\">Lead (Pb)<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2696,"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-2613","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":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/texpertssolutions.com\/notes\/wp-content\/uploads\/2025\/06\/55.png?fit=1280%2C720&ssl=1","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/comments?post=2613"}],"version-history":[{"count":1,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2613\/revisions"}],"predecessor-version":[{"id":2624,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/posts\/2613\/revisions\/2624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media\/2696"}],"wp:attachment":[{"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/media?parent=2613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/categories?post=2613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/texpertssolutions.com\/notes\/wp-json\/wp\/v2\/tags?post=2613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}