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18 June, 04:17

What is the formula for the ion when aluminum achieves noble-gas electron configuration

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Answers (2)
  1. 18 June, 06:28
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    Answer: Al3+

    Explanation:

    Al belongs to group 3. It releases 3 electrons to attain the noble gas configuration
  2. 18 June, 06:43
    0
    K+

    Explanation:

    Potassium (an alkali metal) belongs to element in group 1 and period 4 in the periodic table. It has to release one electron to attain noble configuration.
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