Period 6 element period 6 other metals are incredibly toxic, such as thallium. Period 6 contains the last stable element, lead. All subsequent elements in the periodic table are radioactive. After bismuth, which has a half-life or more than 10 years, polonium, astatine, and radon are some of the shortest-lived and rarest elements known; less than a gram of astatine is estimated to exist on earth at any given time. Caesium or cesium is the chemical element with the symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal with a melting point of 28 °C (82 °F), which makes
What Was Lost 2004. Kurt is a security guard at Green Oaks. He has a sleeping disorder. Lisa is the deputy manager of a music store. She is unhappy because of the strange behaviour of her colleagues and customers and because of her relationship with her partner. She becomes friends with Kurt. A girl holding a soft toy is seen in a CCTV security monitor. Kurt and Lisa follow the girl through Green Oaks and investigate how she is connected to Green Oaks' unsettling history. It is revealed that both Kurt and Lisa have connections to the case of the missing girl. "What