Revision history of "Atomic masses of elements 104 and higher are approximations"

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  • (cur | prev) 06:47, 24 January 2013‎ MelvinaLavinder519 (talk | contribs)‎ . . (8,574 bytes) (+8,574)‎ . . (- Uranium, with atomic number 92, is the heaviest naturally-occurring element. Elements with higher atomic numbers are so unstable that they are not found to exist in nature. They are therefore synthesised in the laboratory.)
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