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atomic number 10

n.
1.a colorless odorless gaseous element that give a red glow in a vacuum tube

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    Idiom of the Day

    have (something) down pat
    to have learned or memorized something perfectly
    I have the dance routine down pat.



    1.
    If you come second in a race, you are the ________

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    Invention
    Invention : skates, ice
    Year : 1000 bc
    Inventor : -
    Country : scandinavia.      .. More >>
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