New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The electronic configuration of an atom having atomic

    number 20 is 
    A 2 8 10 Correct Answer Incorrect Answer
    B 2 6 8 4 Correct Answer Incorrect Answer
    C 2 8 8 2 Correct Answer Incorrect Answer
    D 2 10 8 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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