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? the result of each of the shows: <nowiki>*</nowiki> Chris's loss on the Vortex was reversed after a review of a smaller camera underneath the Vortex that showed the ball dropping and landing milliseconds before the change in colour to red, thus the money was awarded to him – also note that the rollover still stood. In the week prior to the launch of "Red or Black?", ITV had slipped behind Channel 5 in the ratings on the Sunday night while BBC One had nearly three times the audience share of the ITV channel. While the lead was not as large