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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Topic Test - Structure of Atom (4-5-21)

  • question_answer
    If W is atomic weight and N is the atomic number of an element, then                      

    A) Number of \[{{e}^{-1}}=W-N\]

    B) Number of \[_{0}{{n}^{1}}=W-N\]

    C) Number of \[_{1}{{H}^{1}}=W-N\]

    D) Number of \[_{0}{{n}^{1}}=N\]

    Correct Answer: B

    Solution :

    [b] No. of neutrons = mass number - no. of protons. = W - N.


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