why splitting uranium releases energy but we haven’t see any stray (random) nuclear explosion in natural ore deposits?

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And if splitting atom releases energy, why haven’t these energy break from their atom themselves? Isn’t that means the force that bind the atoms are bigger than the energy released?

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Anonymous 0 Comments

If by explosion you mean fission, this does occur in natural uranium deposits, however if you were to purify the ore down to just uranium, only 0.7% of that uranium would be uranium 235, which is the primary isotope producing these fissions. At that concentration there’s not enough to sustain a chain reaction. If you were to filter off the U235 by enriching it, you could eventually reach a purity where a fission chain reaction is possible with the help of moderators, and if you go further to like the high 90%s you could reach a point where, if you have enough of it, a runaway chain reaction like in a nuclear bomb is possible.

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