One naturally occurring radioactive metal which is used in nuclear power stations.

And then name one radioactive metal which is made in a power station?

Americium is a relatively soft radioactive metal with silvery appearance.

"Their doctors are unaware of radioactive metals and their effect on living tissue."

Technetium is a silvery-gray radioactive metal with an appearance similar to that of platinum.

Uranium is a highly soluble, as well as a radioactive, heavy metal.

There is also concern that some products might contain radioactive metals.

But never once had a particularly virulent radioactive metal, plutonium, appeared.

It is possible that other radioactive metals such as plutonium could be similarly dealt with.

Mind you, radium, a radioactive metal, is very dangerous.