List Of Elements By Atomic Number Article Index for
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List Of Elements By Atomic Number





ACRONYMS



NOTES

  • The element does not have any stable nuclides, and a value in brackets, e.g. {Link without Title} , indicates the mass number of the longest-lived isotope of the element or characteristic isotopic composition.

  • The isotopic composition of this element varies in some geological specimens, and the variation may exceed the uncertainty stated in the table.

  • The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value.

  • The isotopic composition varies in terrestrial material such that a more precise atomic weight can not be given.

  • The atomic weight of commercial Lithium can vary between 6.939 and 6.996—analysis of the specific material is necessary to find a more accurate value.



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