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? a number, with the corresponding section being revealed to the players and the audience. The first player to have all four of their sections revealed progressed to the final round. The final game was a giant modified roulette wheel split into 36 alternately coloured sections (18 red and 18 black), awarding a £1 million prize if the player chose the correct colour. "Red or Black?" made its first millionaire in the first show, with bricklayer Nathan Hageman, from Reading, winning on red. The following night the second millionaire was made, with carer Kevin Cartwright also winning on red. Two further