{"id":633,"date":"2012-05-31T15:49:34","date_gmt":"2012-05-31T15:49:34","guid":{"rendered":"http:\/\/www.chemicool.com\/elements\/?page_id=633"},"modified":"2017-12-07T02:08:24","modified_gmt":"2017-12-07T07:08:24","slug":"oganesson","status":"publish","type":"page","link":"https:\/\/www.chemicool.com\/elements\/oganesson.html","title":{"rendered":"Oganesson Element Facts"},"content":{"rendered":"<div class=\"insidepagelinks\">\n<a href=\"#data\">Data Zone<\/a> |  <a href=\"#discovery\">Discovery<\/a> |  <a href=\"#facts\">Facts<\/a> | <a href=\"#appear\">Appearance &amp; Characteristics<\/a> | <a href=\"#uses\">Uses<\/a> | <a href=\"#abund\">Abundance &amp; Isotopes<\/a>  | <a href=\"#refer\">References<\/a>\n<\/div>\n<div class=\"unnamedT\">\n<div class=\"atnorT\">118<\/div>\n<div class=\"clearT\"><\/div>\n<div class=\"elnamT\">Og<\/div>\n<div class=\"atweiT\"> (294)<\/div>\n<\/div>\n<p>The chemical element oganesson is classed is a noble gas. It was discovered in 2002 by research scientists at the Joint Institute for Nuclear Research in Dubna, Russia and the Lawrence Livermore National Laboratory (LLNL), California.<\/p>\n<div style=\"clear:both;\"><\/div>\n<div class=\"adsense300\">\n<div class=\"adsense300spacer\">\n<div style=\"line-height:10px;\">\n<img decoding=\"async\" alt=\"\" src=\"\/\/www.chemicool.com\/ad.png\"\/>\n<\/div>\n<p><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px\" data-ad-client=\"ca-pub-9461632227417539\" data-ad-slot=\"3265846807\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/p>\n<p><a id=\"data\"><\/a><\/p>\n<h2>Data Zone<\/h2>\n<table class=\"datatop\">\n<tr>\n<td class=\"elemglb\">Classification:<\/td>\n<td> Oganesson is a noble gas  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"><\/td>\n<td> (or a noble solid?) and a nonmetal <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Atomic weight:<\/td>\n<td> (294), no stable isotopes <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">State:<\/td>\n<td>   gas (presumed)  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Melting point:<\/td>\n<td>     <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Boiling point:<\/td>\n<td>    <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Electrons:<\/td>\n<td>118<\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Protons:<\/td>\n<td>118<\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Neutrons in most abundant isotope:<\/td>\n<td>176<\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Electron shells:<\/td>\n<td>    2, 8, 18, 32, 32, 18, 8     <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Electron configuration:<\/td>\n<td>  [Rn] 5f<sup>14<\/sup> 6d<sup>10<\/sup> 7s<sup>2<\/sup> 7p<sup>6<\/sup> (presumed)   <\/td>\n<\/tr>\n<\/table>\n<span class=\"collapseomatic \" id=\"id6a27ec9b25f1f\"  tabindex=\"0\" title=\"Show more, including: Heats, Energies, Oxidation,&lt;br \/&gt; Reactions, Compounds, Radii, Conductivities\"    >Show more, including: Heats, Energies, Oxidation,<br \/> Reactions, Compounds, Radii, Conductivities<\/span><div id=\"target-id6a27ec9b25f1f\" class=\"collapseomatic_content \">\n<table class=\"datatop\">\n<tr>\n<td class=\"elemglb\">Specific heat capacity<\/td>\n<td>  &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Heat of fusion<\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Heat of atomization<\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Heat of vaporization<\/td>\n<td>  &#8211;   <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">1<sup>st<\/sup> ionization energy<\/td>\n<td> &#8211;    <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">2<sup>nd<\/sup> ionization energy<\/td>\n<td> &#8211;   <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">3<sup>rd<\/sup> ionization energy<\/td>\n<td>   &#8211;   <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Electron affinity<\/td>\n<td>  &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Minimum oxidation number<\/td>\n<td>  &#8211;   <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Min. common oxidation no.<\/td>\n<td>  &#8211;   <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Maximum oxidation number <\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Max. common oxidation no. <\/td>\n<td>  &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Electronegativity (Pauling Scale) <\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Polarizability volume <\/td>\n<td>   &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Reaction with air<\/td>\n<td> &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Reaction with 15 M HNO<sub>3<\/sub> <\/td>\n<td> &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Reaction with 6 M HCl <\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Reaction with 6 M NaOH <\/td>\n<td>   &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Oxide(s) <\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Hydride(s) <\/td>\n<td>   &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Chloride(s) <\/td>\n<td>  &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Atomic radius <\/td>\n<td>  &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Ionic radius (1+ ion) <\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Ionic radius (2+ ion) <\/td>\n<td>   &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Ionic radius (3+ ion) <\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Ionic radius (1- ion) <\/td>\n<td>   &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Ionic radius (2- ion) <\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Ionic radius (3- ion) <\/td>\n<td>   &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Thermal conductivity <\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\"> Electrical conductivity <\/td>\n<td>  &#8211;  <\/td>\n<\/tr>\n<tr>\n<td class=\"elemglb\">Freezing\/Melting point:<\/td>\n<td> &#8211;    <\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div class=\"leftimagepadding\">\n<div style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.chemicool.com\/elements\/images\/300-u400-dubna.jpg\" width=\"300\" height=\"160\" alt=\"The cyclotron at Dubna\" class=\"size-full\" \/><p class=\"wp-caption-text\">The heavy ion cyclotron U-400 in Dubna, where oganesson was synthesized.<\/p><\/div>\n<div style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/chemicool.com\/elements\/images\/300-element-118.jpg\" width=\"300\" height=\"158\" alt=\"Oganesson Radioactive\" class=\"size-full\" \/><p class=\"wp-caption-text\">A combination of experiments and computer simulations enable predictions to be made of deformations and shapes of the heaviest elements in and beyond the current periodic table. Image Ref. <sup>(2)<\/sup><\/p><\/div>\n<\/div>\n<\/div>\n<p>\t\t\t<a id=\"discovery\"><\/a>\t<\/p>\n<h2>Discovery of Oganesson<\/h2>\n<div class=\"author\">Dr. Doug Stewart<\/div>\n<p>     Research scientists at the Joint Institute for Nuclear Research in Dubna, Russia and the Lawrence Livermore National Laboratory (LLNL), California first made element 118, oganesson, in 2002.<\/p>\n<p>    The reaction was a fusion of element 20 with element 98: <a href=\"https:\/\/www.chemicool.com\/elements\/calcium.html\">calcium-48<\/a> with <a href=\"https:\/\/www.chemicool.com\/elements\/californium.html\">californium-249<\/a>. <\/p>\n<p>\t\tCalcium ions were formed into a beam in a cyclotron  (a particle accelerator) and fired at a target layer of californium oxide deposited on <a href=\"titanium.html\">titanium<\/a> foil. <\/p>\n<p>\t\tBombardment lasted 2300 hours, accumulating a total dose of 2.5 x 10<sup>19<\/sup> calcium ions.<\/p>\n<p>\t  Two atoms of oganesson-294, which existed for 2.55 ms and 3.16 ms, were produced in March 2002. <sup>(1)<\/sup><\/p>\n<p>    Further experiments and analysis later confirmed this result and the discovery was verified by The International Union of Pure and Applied Chemistry (IUPAC) in 2015.<\/p>\n<p>The report stated, &#8220;The claim of the Dubna\u2013Livermore 2006 collaboration for discovery of the element with atomic number Z=18 is acknowledged as validated..&#8221; <\/p>\n<p>\t\tAs a result of its position in the periodic table oganesson is expected to be classed as a noble gas. <\/p>\n<p>The element is named after the Russian Professor Yuri Oganessian, for his pioneering contributions to transactinoid elements research. <\/p>\n<p>IUPAC has accepted the discoveries of: <\/p>\n<ul>\n<li><a href=\"ununtrium.html\">element 113<\/a> (nihonium) <\/li>\n<li><a href=\"ununquadium.html\">element 114 <\/a> (flerovium) <\/li>\n<li><a href=\"ununpentium.html\">element 115 <\/a> (moscovium) <\/li>\n<li><a href=\"ununhexium.html\">element 116 <\/a> (livermorium) <\/li>\n<li><a href=\"ununseptium.html\"> element 117 <\/a> (tennessine)<\/li>\n<li>element 118 (oganesson) <\/li>\n<\/ul>\n<p>thus completing the seventh row of the periodic table. \t<\/p>\n<p>     <a id=\"appear\"><\/a><\/p>\n<h3>Appearance and Characteristics<\/h3>\n<p> <strong>Harmful effects:<\/strong> <\/p>\n<p>\t \tOganesson is harmful due to its radioactivity.<\/p>\n<p>\t  <strong>Characteristics:<\/strong><\/p>\n<p>\t\t Oganesson is a synthetic radioactive metal and has only been produced in minute amounts.<\/p>\n<p>\t\t<a id=\"uses\"><\/a><\/p>\n<h2>Uses of Oganesson<\/h2>\n<p>\t\t Oganesson is of research interest only.<\/p>\n<p><a id=\"abund\"><\/a><\/p>\n<h2>Abundance and Isotopes<\/h2>\n<p><span class=\"elemgl\">Abundance earth&#8217;s crust:<\/span>  nil<\/p>\n<p>\t\t<span class=\"elemgl\">Abundance solar system:<\/span>  parts per trillion by weight,  parts per trillion by moles<\/p>\n<p>\t\t\t\t<span class=\"elemgl\">Cost, pure:<\/span>  $ per 100g<\/p>\n<p>\t\t\t\t<span class=\"elemgl\">Cost, bulk:<\/span>  $ per 100g<\/p>\n<p>\t\t<span class=\"elemgl\">Source:<\/span> A few atoms oganesson have been created via nuclear bombardment of <sup>249<\/sup>Cf with <sup>48<\/sup>Ca ions  in a heavy ion accelerator. <\/p>\n<p>\t\t<span class=\"elemgl\">Isotopes:<\/span> Oganesson has one isotope whose half-life is known very approximately: <sup>294<\/sup>Og, with a half-life of 0.89 milliseconds. <\/p>\n<div style=\"clear:both;line-height:2px;\">&nbsp;<\/div>\n<div style=\"max-width:750px;\">\n<div style=\"line-height:10px;\">\n<img decoding=\"async\" alt=\"\" src=\"\/\/www.chemicool.com\/ad.png\"\/>\n<\/div>\n<p><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-9461632227417539\" data-ad-slot=\"8753977201\" data-ad-format=\"auto\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script>\n<\/div>\n<p>\t\t<a id=\"refer\"><\/a><\/p>\n<h4>References<\/h4>\n<ol>\n<li>Oganessian et al., <a href=\"http:\/\/wwwinfo.jinr.ru\/publish\/Preprints\/2002\/287%28D7-2002-287%29e.pdf\">Results of the first <sup>249<\/sup>Cf + <sup>48<\/sup>Ca Experiment<\/a>. (pdf download) \t\t\t<\/li>\n<li>Photo: <a href=\"http:\/\/www.ornl.gov\/info\/press_releases\/get_press_release.cfm?ReleaseNumber=mr20050217-00\">ORNL<\/a><\/li>\n<\/ol>\n<p><a id=\"Cite\"><\/a><\/p>\n<h4>Cite this Page<\/h4>\n<p>For online linking, please copy and paste one of the following:<\/p>\n<pre class='code'>\r\n&lt;a href=\"https:\/\/www.chemicool.com\/elements\/ununoctium.html\"&gt;Oganesson&lt;\/a&gt;\r\n<\/pre>\n<p>or<\/p>\n<pre class='code'>\r\n&lt;a href=\"https:\/\/www.chemicool.com\/elements\/ununoctium.html\"&gt;Oganesson Element Facts&lt;\/a&gt;\r\n<\/pre>\n<p>To cite this page in an academic document, please use the following MLA compliant citation:<\/p>\n<pre class='code'>\r\n\"Oganesson.\" Chemicool Periodic Table. Chemicool.com. 16 Jun. 2016. Web. <script type=\"text\/javascript\">\r\n<!--\r\nvar currentTime = new Date()\r\nvar month = currentTime.getMonth() + 1\r\nvar day = currentTime.getDate()\r\nvar year = currentTime.getFullYear()\r\ndocument.write(month + \"\/\" + day + \"\/\" + year)\r\n\/\/-->\r\n<\/script> \r\n&lt;https:\/\/www.chemicool.com\/elements\/ununoctium.html&gt;.<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Data Zone | Discovery | Facts | Appearance &amp; Characteristics | Uses | Abundance &amp; Isotopes | References 118 Og (294) The chemical element oganesson is classed is a noble gas. It was discovered in 2002 by research scientists at the Joint Institute for Nuclear Research in Dubna, Russia and the Lawrence Livermore National Laboratory [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"class_list":{"0":"post-633","1":"page","2":"type-page","3":"status-publish","5":"entry"},"_links":{"self":[{"href":"https:\/\/www.chemicool.com\/elements\/wp-json\/wp\/v2\/pages\/633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chemicool.com\/elements\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.chemicool.com\/elements\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.chemicool.com\/elements\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chemicool.com\/elements\/wp-json\/wp\/v2\/comments?post=633"}],"version-history":[{"count":25,"href":"https:\/\/www.chemicool.com\/elements\/wp-json\/wp\/v2\/pages\/633\/revisions"}],"predecessor-version":[{"id":4372,"href":"https:\/\/www.chemicool.com\/elements\/wp-json\/wp\/v2\/pages\/633\/revisions\/4372"}],"wp:attachment":[{"href":"https:\/\/www.chemicool.com\/elements\/wp-json\/wp\/v2\/media?parent=633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}