plutonium chemical element
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plutonium chemical element |
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| navigate by keyword : affinity atom atomic chemical chemistry configuration education electron element groups laboratory mass metal molecule number periodic periods physics plutonium properties proton school science scientific sign square structure substance symbol table weight |
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| Plutonium, chemical element. Actinide dangerous radioactive metal of silver gray appearance. |
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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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