If radioactive elements decay over time, does it mean that there will come a day when there will be no radioactive elements left?

Will we ever live in a world where there are no radioactive elements left?

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That’s an interesting question. I know radioactive elements have varied half lives, so these elements will exhaust at some point.

That’s highly unlikely. Radioactive elements are being created all the time through natural processes, and some of these elements have half lives of millions of years. So it’s for certain that humanity will not outlive radioactive elements, it’ll be the other way round.