What is the heaviest type of atom in the world?



  1. 0 Votes

    The heaviest naturally occurring and stable element in the world is Uranium-238, which contains 92 protons and electrons and 146 neutrons. There are a number of other elements that can be created in laboratories or under hypothetical situations. These are very unstable and cannot last very long, which has caused some controversy.

  2. 0 Votes

    The heaviest element that has ever been created and observed is ununoctium, the temporary name for the atom with the atomic number 118.

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