Question

    How many periods are there in the Modern Periodic Table?

    A 5 Correct Answer Incorrect Answer
    B 11 Correct Answer Incorrect Answer
    C 9 Correct Answer Incorrect Answer
    D 7 Correct Answer Incorrect Answer

    Solution

    The Modern Periodic Table consists of 7 horizontal rows known as periods. Each period corresponds to a new principal energy level which holds the elements placed according to their increasing atomic number.

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