Question

    Radon, used in radiotherapy, belongs to which group on the periodic table?

    A Group 12 Correct Answer Incorrect Answer
    B Group 14 Correct Answer Incorrect Answer
    C Group 16 Correct Answer Incorrect Answer
    D Group 18 Correct Answer Incorrect Answer

    Solution

    Radon is a highly radioactive noble gas used in radiotherapy, and it falls under Group 18 of the periodic table. Its symbol is Rn, and it has an atomic number of 86.

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