{"id":3000,"date":"2022-04-30T05:12:05","date_gmt":"2022-04-30T05:12:05","guid":{"rendered":"https:\/\/mdr.foobrdigital.com\/?p=3000"},"modified":"2022-04-30T05:12:05","modified_gmt":"2022-04-30T05:12:05","slug":"rubidium-rb","status":"publish","type":"post","link":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/2022\/04\/30\/rubidium-rb\/","title":{"rendered":"Rubidium (Rb)"},"content":{"rendered":"\n<p>Rubidium<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cdn1.byjus.com\/wp-content\/uploads\/2018\/11\/chemistry\/2016\/04\/08024853\/Rubidium_Tile-300x300.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Symbol<\/td><td><strong>Rb<\/strong><\/td><\/tr><tr><td>Atomic Number<\/td><td><strong>37<\/strong><\/td><\/tr><tr><td>Atomic Mass<\/td><td><strong>85.4678 g.mol -1<\/strong><\/td><\/tr><tr><td>Discovered by<\/td><td><strong>Gustav Kirchhoff and Robert Bunsen<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Chemical Properties of Rubidium<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Group<\/td><td><strong>1<\/strong><\/td><td>Melting point<\/td><td><strong>39.30\u00b0C, 102.74\u00b0F, 312.45 K<\/strong><\/td><\/tr><tr><td>Period<\/td><td><strong>5<\/strong><\/td><td>Boiling point<\/td><td><strong>688\u00b0C, 1270\u00b0F, 961 K<\/strong><\/td><\/tr><tr><td>Block<\/td><td><strong>s<\/strong><\/td><td>Density (g cm\u22123)<\/td><td><strong>1.53<\/strong><\/td><\/tr><tr><td>Atomic number<\/td><td><strong>37<\/strong><\/td><td>Relative atomic mass<\/td><td><strong>85.468 &nbsp;<\/strong><\/td><\/tr><tr><td>State at 20\u00b0C<\/td><td><strong>Solid<\/strong><\/td><td>Key isotopes<\/td><td><sup><strong>85<\/strong><\/sup><strong>Rb,&nbsp;<\/strong><sup><strong>87<\/strong><\/sup><strong>Rb<\/strong><\/td><\/tr><tr><td>Electron configuration<\/td><td><strong>[Kr] 5s<\/strong><sup><strong>1<\/strong><\/sup><\/td><td>CAS number<\/td><td><strong>7440-17-7<\/strong><\/td><\/tr><tr><td>ChemSpider ID<\/td><td><strong>4512975<\/strong><\/td><td>ChemSpider is a free chemical structure database<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What is Rubidium?<\/h2>\n\n\n\n<ul><li>The element is a member of the alkali metal group 1 of the periodic table.<\/li><li>The element has an atomic number of 37 and an atomic mass of 85.<\/li><li>The metal is a lithophile metallic element that does not form any minerals of its own.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Uses of Rubidium<\/h2>\n\n\n\n<ul><li>Specialty glasses, which constitute the leading market for rubidium, are used in fiber optics telecommunications systems and in night-vision devices.<\/li><li>The carbonate (Rb<sub>2<\/sub>CO<sub>3<\/sub>) is used as an additive to these types of glass, where it reduces electrical conductivity and improves stability and durability.<\/li><li>Rubidium-cesium-antimony coating is commonly applied to the photo-cathodes of photo-multiplier tubes, which are used in radiation detection devices, medical imaging equipment, and night-vision devices.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Properties of Rubidium<\/h2>\n\n\n\n<ul><li>Compared with&nbsp;<a href=\"https:\/\/byjus.com\/chemistry\/potassium\/\">potassium&nbsp;<\/a>and sodium, rubidium&nbsp;is relatively rare, with a crustal abundance of just 78 mg kg-1 (Fyfe 1999).<\/li><li>The Rb+ ion (ionic radius 152 pm) substitutes for K+ (138 pm) in mica such as muscovite and to a lesser extent in K-feldspar such as microcline and orthoclase, as well as rare minerals, such as lepidolite, carnallite, and pollucite, in which it replaces Cs.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Certain Facts About Rubidium<\/h2>\n\n\n\n<ul><li>Used in fireworks to give purple-red color.<\/li><li>The metal along with&nbsp;<a href=\"https:\/\/byjus.com\/chemistry\/strontium\/\">strontium&nbsp;<\/a>is used to date rocks, minerals, and meteorites radioactively.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Rubidium Symbol Rb Atomic Number 37 Atomic Mass 85.4678 g.mol -1 Discovered by Gustav Kirchhoff and Robert Bunsen Chemical Properties of Rubidium Group 1 Melting point 39.30\u00b0C, 102.74\u00b0F, 312.45 K Period 5 Boiling point 688\u00b0C, 1270\u00b0F, 961 K Block s Density (g cm\u22123) 1.53 Atomic number 37 Relative atomic mass 85.468 &nbsp; State at 20\u00b0C [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[176],"tags":[],"_links":{"self":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/3000"}],"collection":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/comments?post=3000"}],"version-history":[{"count":0,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/3000\/revisions"}],"wp:attachment":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/media?parent=3000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/categories?post=3000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/tags?post=3000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}