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An image of Johan Gadolin, the discoverer of yttrium oxide

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  • Johan Gadolin

    Johan Gadolin was a finnish chemist, physicist, and mineralogist. He discovered the element...

  • Yttrium

    naon Yttrium is an element that's symbol is Y and has the number 39. It is a silver metallic...

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current23:39, July 24, 2009Thumbnail for version as of 23:39, July 24, 2009422 × 512 (22 KB)Dser (wall | contribs)An image of Johan Gadolin, the discoverer of yttrium oxide

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