Multiple Choice HELP!

Consider the elements neon, bromine, and phosphorus. Which has five electrons in its 4p sublevel?


I got phosphorus wrong as my answer....

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asked by Angela
  1. Phosphorus has three electrons in its 3p sublevel

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    posted by Adam
  2. so it would be Bromine?

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    posted by Angela
  3. Only bromine. You have to write electron configuration:
    [Br]:1s^22s^22p^63s^23p^63d^{10}4s^24p^5

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    posted by Adam
  4. Thank you :)

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    posted by Angela

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