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    Question

    Which of the following is NOT a d-block element? 

    A Iron Correct Answer Incorrect Answer
    B Copper Correct Answer Incorrect Answer
    C Zinc Correct Answer Incorrect Answer
    D Oxygen Correct Answer Incorrect Answer

    Solution

    Oxygen belongs to the p-block and is found in Group 16 of the periodic table. It is a non-metal and does not exhibit the properties of d-block elements, which are primarily transition metals. 

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