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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2000

  • question_answer
    The nitride ion in lithium nitride is composed of:

    A)  7 protons \[+10\]electrons

    B)  10 protons \[+10\]electrons

    C)  7 protons \[+7\] protons

    D)  10 protons \[+7\] electrons

    Correct Answer: A

    Solution :

    Nitride ion can be represented as \[{{N}^{3-}}\] Number of protons = 7 number of electrons \[=7+3=10\] Therefore, nitride ion contains of 7 protons \[+10\] electrons


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