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28 November, 07:09

Number of electrons needed to fill the outer shell in magnesium

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Answers (2)
  1. 28 November, 07:42
    0
    Magnesium atomic number=12

    1s2 2s2 2p6 3s2 the last layer consists 3s2 2p6 it doesn t have 3p6 so 6 electrons needed to fill the outer shell
  2. 28 November, 09:03
    0
    Magnesium would need 6 electrons to fill its outer shell.
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