Tuesday 25th March 2025
    Difficulty: Easy

    The Periodic Table (Quiz #858)

    Photo by <a href="https://unsplash.com/@vedranafilipovic?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash">Vedrana Filipović</a>
    Photo by Vedrana Filipović (Unsplash)

    The periodic table is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). Elements in the same group tend to show similar chemical characteristics.

    1. What is the chemical symbol for tin?

    2. Why are the noble gases called "noble gases"?

    3. How many chemical elements are liquid at room temperature?

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