The heaviest element to have a stable
isotope, although smart-arses will tell you that it actually does have a
half-life of 1,9 x 10^19 years, or several hundred
million times longer than the age of the universe.
Teacher: Bismuth is the heaviest
element with a
stable...
Student: Actually, it has a
half-life of 1.9 x 10^19 ...
Teacher: Shut the fuck up!