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Untriennium

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Untriennium
elemento chimic, elemento chimic hypothetic[*]
numero atomic: 139
symbolo chimic: Ute

Untriennium es un elemento chimic theoretic, nunquam observite.[1]

Referentias

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  1. ↑ https://www.smithsonianmag.com/science-nature/when-will-we-reach-end-periodic-table-180957851/
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