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10 December, 09:27

How many protons and electrons are present does the ion Li + have?

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Answers (2)
  1. 10 December, 09:31
    0
    is it 38? because i remember it was with 30 something
  2. 10 December, 09:42
    0
    2

    Explanation:

    Electron config of lithium = [He] 2s1 or 1s2 2s1

    For Li to form it's cation, it has to lose a single electron from it's outermost shell

    So, 1s2 2s1 becomes 1s2 as it loses that outer shell 2s1 electron to form the cation

    So it's left with 2 electrons in it's 1s shell.

    Answer = 2
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