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Homework Help: Number of protons

  1. Sep 13, 2012 #1
    1. The problem statement, all variables and given/known data
    The number of protons in nucleus of an element having maximum unpaired electrons in its 2P subshell are:

    2. Relevant equations
    Number of protons = no. of electrons in an neutral atom

    3. The attempt at a solution
    Maximum unpaired E.C. should 1s22s22p 3
    Then, no. of protons should be 7.
  2. jcsd
  3. Sep 14, 2012 #2


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