Eli5: Is it possible that there are elements on other planets, we don’t have on earth and haven’t discover yet?
In: Chemistry
Possible, yes. We can’t prove there are no other stable elements anywhere in the universe. But the elements we have discovered past lead on the periodic table are all unstable to some degree, and the new ones we synthesize last less than a second before decaying into something else. The protons repel each other, and past a certain point, the nuclear forces that hold them together are weaker than that repulsion. If there is a heavier, stable element, it would require something holding it together than humanity has not yet discovered.
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