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 first three rounds, the eight contestants watch a series of stunts, sporting challenges or performances. They'll then use their judgement to predict the outcome or have their powers of observation tested. Either way, the contestants must strike their buzzer and pick either red or black. The first game takes place in the "Red or Black?" arena and subsequent games are held in the studio. After the first three rounds, the four players with the highest scores will move on to Part 2. If a tie occurs, the two or more players will play a tiebreaker round, "Power Bar", to