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
Electrical connector other connectors such as Banana connectors. A connector that locks a metal spade to a terminal by screwing them together. Crimp connectors can be used for fast and friction-type connections in DC applications where connections are broken repeatedly. Alligator connectors are often used as temporary test leads. A screw terminal is a type of electrical connector where a wire is held by the tightening of a screw. Phone connectors can be used as connectors in microphone cables and for low-voltage, low-current applications. Pogo Pin Connectors or Spring Loaded Connectors is a connector type commonly used in consumer products. The Connector