Lead is currently the last stable element; all subsequent elements are radioactive, however bismuth has a half-life of more than 10 19 years, more than 1,000 times longer than the current age of the universe.
Lead is currently the last stable element. All subsequent elements are radioactive. Bismuth has a half-life of more than 10 19 years. This is more than 1,000 times longer than the current age of the universe.