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This chemical element has atomic number 84.

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Your new ahaPolonium

Polonium has 84 protons in every atomic nucleus. Changing that number would make a different element. Source: Polonium

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More from Atomic Numbers and Elements

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  1. 85This chemical element has atomic number 85.RECALL
    Astatine

    Symbol At

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  2. 86This chemical element has atomic number 86.RECALL
    Radon

    Symbol Rn

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  3. 87This chemical element has atomic number 87.RECALL
    Francium

    Symbol Fr

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