dubnium
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dubnium |
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| navigate by keyword : atom atomic chemistry density dubnium element experiment experimentation gold ion mass metal number period periodic reflect reflected reflecting school science scientific scientist shine shiny studing study substance symbol table technology transition yellow |
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| Dubnium from the periodic table. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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