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

  • question_answer
    Write the electronic configuration of the following elements: (i) \[_{17}^{35}Cl\]                          (ii) \[_{6}^{12}C\] (iii) \[_{19}^{39}K\]                         (iv) \[_{15}^{31}P\]

    Answer:

                   
    Element Atomic number Electronic Configuration
    K L M N
    \[_{17}C{{1}^{33}}\] 17 2 8 7
    \[_{6}{{C}^{12}}\] 6 2 4
    \[_{19}{{K}^{39}}\] 19 2 8 8 1
    \[_{15}{{P}^{31}}\] 15 2 8 5


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