• Question: what is the heaviest element

    Asked by anon-226731 to William, Thibaut "Tibo", Harry, Georgia, Emily, Aimee on 12 Nov 2019.
    • Photo: Aimee Egglestone

      Aimee Egglestone answered on 12 Nov 2019:

      The heaviest naturally occuring element is Uranium (92 on the periodic table) but we have made heavier elements for fractions of seconds. They become too unstable at higher masses to exist in their own and start to break down almost immediately!

    • Photo: Thibaut Deviese

      Thibaut Deviese answered on 16 Nov 2019:

      Ununoctium is the heaviest element, but it is man-made. The heaviest naturally-occurring element is uranium (atomic number 92, atomic weight 238.0289).

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