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Anonymous asked in Science & MathematicsChemistry · 1 month ago

Write the full electron configuration for a K− ion.?

2 Answers

  • 1 month ago
    Favourite answer

    A neutral potassium atom has 19 electrons. This ion will have 20. So,

    1s2 2s2 2p6 3s2 3p6 4s2

  • 1 month ago

    1s2 2s2 2p6 3s2 3p6 4s2.  

    K will lose an electron all the time and will become K+.  

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