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Sub-Atomic Particles

Even though T...

Question

Even though There are 118 elements on the periodic table, why is uranium the heaviest

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Solution

Uranium is not the heaviest element. Uranium is the heaviest natural occuring element. The elements after uranium donot exist naturally. Either, they are artificially created in laboratories, or their existence is limited to supernovas or stars. They are highly unstable, and they undergo radioactive decay.

So, The heaviest element known to man is ununoctium. But, heaviest stable / naturally occuring element is uranium.

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Periodic table doesn't end with Uranium, it ends with an element having atomic no. :118 because that scientists have created some man made elements too. But if there is an element having atomic no.:118,is Uranium still the heaviest element? If so, why is Uranium isn't the last one in the periodic table?

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