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9th Class Science Structure of the Atom Question Bank Atomic Structure Formative Subjective Problems

  • question_answer
    Write the electronic configuration of phosphorus.

    Answer:

    Phosphorus\[\Rightarrow \]Atomic number \[(Z)=15\] \[\Rightarrow \]No. of electrons in it = 15 At first, electrons enter K shell which can accommodate two electrons. The next eight electrons are adjusted in L shell. The remaining five electrons are adjusted in N shell. Thus, electrons configuration of phosphorus is: 2, 8, 5


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