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| Do you know that all natural elements have been produced by artificial transmution? | |
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| Yeah those are called Transuranium elements meaning they are elements with more than 92 protons in their nuclei. | |
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| Yeah and the addition or production of technetium and promethium has filled gaps in the periodic table. | |
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| Yeah those plus all the other natural elemenst are radioactive. | |
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