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
Russel Metals three business segments: metals service centres, energy products, and steel distributors. As of 2017, 49% of revenue was from the service centres, 39% was from energy products, and the rest was from steel distribution. It has sites in both Canada and the United States, with most sites located in Canada, and derives roughly 30 per cent of its revenues from the United States. Russel Metals Russel Metals Inc. is a Canadian public metals distribution and processing company. It is one of North America's largest metal distribution companies, with operations across Canada and the United States. The company was originally established