3.Next

Polonium-210 (²¹⁰Po, Po-210, historically radium F) is an isotope of polonium. It undergoes alpha decay to stable ²⁰⁶Pb with a half-life of 138.376 days (about 4 1/2 months), the longest half-life of all naturally occurring polonium isotopes (^210-218Po). First identified in 1898,

3.Next