Question

    Which of the following is NOT classified as a zero-group

    element (noble gas)?
    A Krypton Correct Answer Incorrect Answer
    B Hydrogen Correct Answer Incorrect Answer
    C Helium Correct Answer Incorrect Answer
    D Neon Correct Answer Incorrect Answer

    Solution

    The zero group elements, also known as noble or inert gases, include Helium, Neon, Argon, Krypton, Xenon, and Radon. Hydrogen is not part of this group as it belongs to Group 1 in the periodic table. Argon is the most abundant inert gas in the Earth's atmosphere.

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