"Grunff" wrote in message
...
The Natural Philosopher wrote:

Radioactive nuclei are radioactive because they are effing big and
disintegrate.

All radioactive elements are HEAVY.


ahem

Tritium?


--
Grunff

Radon is a naturally occuring gas (the heaviest) and is inert
Tritium is a naturally occuring isotope of hydrogen and is not inert - it
will readily combine with oxygen to form a liquid

Regards Jeff