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9th Class Science Structure of the Atom Question Bank Structure of the Atom

  • question_answer
    The diagram given below represents the atom of an element. Which symbol gives the above information?

    A) \[_{4}^{9}Be\]  

    B)                    \[_{4}^{9}F\]

    C) \[_{4}^{9}B\]             

    D)        \[_{4}^{9}O\]

    Correct Answer: A

    Solution :

     The atomic number of the atom is 4 as it has \[4\,\,p\] in its nucleus. The mass number of the atom is \[5+4=9\].The element is\[Be\].


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