Chemical element named mendelevium in honor of D.I. Mendeleev, the first to arrange the elements in a periodic manner. Most recently, the synthesis of element 118 (since named oganesson) was reported in October 2006, and the synthesis of element 117 (tennessine) was reported in April 2010. Ten materials familiar to various prehistoric cultures are now known to be chemical elements: Carbon, copper, gold, iron, lead, mercury, silver, sulfur, tin, and zinc. Three additional materials now accepted as elements, arsenic, antimony, and bismuth, were recognized as distinct substances prior to 1500 AD. Phosphorus, cobalt, and platinum were isolated before 1750. Most of the
Red or Black? slightly more viewers, with 4m tuning in. On the return of "Red or Black?" to Saturday night, the show climbed above 4 million for the first time in three days, to 4.63m for the first show and then up to 5.67m for the second. This enabled ITV to beat BBC One in the primetime ratings overall, by 23.3% to 21%, even though the first episode of series 8 of "Strictly Come Dancing" was broadcast on BBC. However "Red or Black?" individually placed behind both "Strictly" and "Doctor Who", with the overnights for the BBC shows being 7.6 and 6.0 million,