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    So far, scientists have observed synthetic elements up to atomic number 118. Are there theoretically an infinite number of these synthetic elements, or is there a finite cap to them?

    Question #100152. Asked by redsoxfan325. (Oct 11 08 6:18 PM)


    looney_tunes

    		While no theoretical reason for a cap has been suggested, only elements through atomic number 153 have been definitely predicted.

    http://en.wikipedia.org/wiki/Superactinide_series

    Oct 11 08, 7:01 PM
    author

    		Here is a list of 218 elements and predicted elements. Someone else will have to say whether it is speculative or not.

    http://en.wikipedia.org/wiki/Periodic_table_(extended)

    Oct 11 08, 8:56 PM
    author

    		Note also that atomic number 122 Unbibium might have been found, this is disputed.

    http://en.wikipedia.org/wiki/Unbibium

    Oct 11 08, 9:08 PM

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