"Exposure to isotopes of iodine give the thyroid more than 1,000 times the average dose to the rest of the body." It is thought that as many as five million people were exposed to some sort of health ...

Exposure to radioactive iodine isotopes can be extremely dangerous. After the catastrophic nuclear accident at Chernobyl, children were developing thyroid cancer from consuming locally produced milk.

The high relative abundance of these tellurium isotopes gives tellurium the greater relative atomic mass. The atomic number of tellurium is 52 and the atomic number of iodine is 53, so these ...