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? restraint in order to spray them with potentially noxious chemicals will also be stressful and frightening for them." ITV replied that the paint was non-toxic, saying "While the animals may have looked quite dramatic in their new colours, they did not come to any harm". Red or Black? Red or Black? is a British television game show which was broadcast on ITV between 3 September 2011 and 29 September 2012. Presented by Ant & Dec and developed by Simon Cowell, "Red or Black?" is the most expensive game show in television history, with a £15 million budget. In each round,