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
Murder Ain't What it Used to Be Murder Ain't What it Used to Be Murder Ain't What it Used to Be is the seventh episode of the popular 1969 ITC British television series "Randall and Hopkirk (Deceased)" starring Mike Pratt, Kenneth Cope and Annette Andre. Directed by Jeremy Summers, the episode was first broadcast on 2 November 1969 on ITV. Crime boss Paul Kirstner flies over to Great Britain from New York City to attend to "business" in London. Behind most of the rackets in Chicago, he hires Jeff to protect his daughter from any of his enemies whilst in London. However, Kirstner is being haunted by