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Figureskater120

  • 3 years ago

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  1. CliffSedge
    • 3 years ago
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    Check the location of Lithium on the periodic table and note its atomic number.

  2. CliffSedge
    • 3 years ago
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    For lithium? No. It's usual atomic weight is 6, but its atomic number (the number of protons in its nucleus) is 3.

  3. wincenty
    • 3 years ago
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    So now you should be able to calculate the neutrons. 6-3 = 3 neutrons.

  4. CliffSedge
    • 3 years ago
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    @wincenty not if the isotope had an atomic weight of 9. See http://openstudy.com/study#/updates/5081ca25e4b0dab2a5ebab8e

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