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This chemical element has atomic number 87.

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Your new ahaFrancium

Francium has 87 protons in every atomic nucleus. Changing that number would make a different element. Source: Francium ↗

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More from Atomic Numbers and Elements

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  1. 88This chemical element has atomic number 88.RECALL
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    Symbol Ra

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    Symbol Ac

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  3. 90This chemical element has atomic number 90.RECALL
    Thorium

    Symbol Th

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