Yttrium is atomic number 39 on the periodic table. Yttrium has a silvery-metallic luster and is found in most rare-earth minerals. Moon rocks contain yttrium and yttrium is used as a phosphor to produce the red colour in television screens | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Winters, Charles D. |
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Eigentums-Rechte: | nicht erforderlich |
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