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anonymous

  • one year ago

What is the electron configuration of an element with atomic number 15?

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  1. anonymous
    • one year ago
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    1s2 2s2 2p6 1s2 2s2 2p6 3s2 3p5 1s2 2s2 2p6 3s2 3p3 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3p3 3s2 3p1

  2. anonymous
    • one year ago
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    @undeadknight26 help maybe????

  3. undeadknight26
    • one year ago
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    1s^22s^22p^63s^23p^3 So i'd day the third one.

  4. anonymous
    • one year ago
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    ok thank you!!

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