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18jonea

  • one year ago

How many electrons are in the highest occupied energy level of a neutral silicon atom? 8 14 4 12

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  1. 18jonea
    • one year ago
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    @Cuanchi

  2. 18jonea
    • one year ago
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    @vera_ewing

  3. aaronq
    • one year ago
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    can you write the electronic configuration for Si?

  4. 18jonea
    • one year ago
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    no i really dont know @aaronq

  5. aaronq
    • one year ago
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    it's an essential skill if you're doing chemistry and it will come in handy. watch this video https://www.youtube.com/watch?v=2AFPfg0Como

  6. 18jonea
    • one year ago
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    still have no idea

  7. 18jonea
    • one year ago
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    @Cuanchi

  8. 18jonea
    • one year ago
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    @aaronq I know there is 14 electrons in silicon

  9. 18jonea
    • one year ago
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    1s2 2s2 2p6 3s2 2p2

  10. 18jonea
    • one year ago
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    is it 4

  11. aaronq
    • one year ago
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    awesome. nope, the last energy level would be 3 the number preceeding the letter (orbital) is the energy level, the higher the number, the higher the energy an electron is

  12. aaronq
    • one year ago
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    oh wait, no the configuration you wrote is incomplete. \(\sf \huge 1s^2 2s^22p^63s^23p^2\) so yeah, 4 electrons

  13. 18jonea
    • one year ago
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    so the answer is 4

  14. aaronq
    • one year ago
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    yeah

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