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Livermorium
Livermorium,is,a,synthetic,superheavy,element,with,symbol,Lv,and,atomic,number,116,It,is,an,extremely,radioactive,element,that,has,only,been,created,in,the,laboratory,and,has,not,been,observed,in,nature,The,element,is,named,after,the,Lawrence,Livermore,National,Laboratory,in,the,United,States,,which,collaborated,with,the,Joint,Institute,for,Nuclear,Research,in,Dubna,,Russia,to,discover,livermorium,in,2000,The,name,of,the,laboratory,refers,to,the,city,of,Livermore,,California,where,it,is,located,,which,in,turn,was,named,after,the,rancher,and,landowner,Robert,Livermore,The,name,was,adopted,by,IUPAC,on,May,30,,20125,Four,isotopes,of,livermorium,are,known,,with,mass,numbers,between,290,and,293,inclusive;,the,longest-lived,among,them,is,livermorium-293,with,a,half-life,of,about,60milliseconds
In,the,periodic,table,,it,is,a,p-block,transactinide,element,It,is,a,member,of,the,7th,period,and,is,placed,in,group,16,as,the,heaviest,chalcogen,,although,it,has,not,been,confirmed,to,behave,as,the,heavier,homologue,to,the,chalcogen,polonium,Livermorium,is,calculated,to,have,some,similar,prolivermorium,facts,,livermorium,element,,livermorium,,livermorium,uses,,livermorium,periodic,table,,livermorium,electron,configuration,Livermorium
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