Electron Configuration For Astatine {At}

Astatine is a chemical element which is highly radioactive and has chemical symbol At. The atomic number of Astatine is 85. It is one of the rarest naturally occurring chemical element in the Earth’s crust, which occurs only as the decay product of many heavier elements. All isotopes of astatine isotopes are very short-lived. Astatine-210 is the most stable isotope that has a half-life of 8.1 hours. A sample […]