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This chemical element has atomic number 111.

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Your new ahaRoentgenium

Roentgenium has 111 protons in every atomic nucleus. Changing that number would make a different element. Source: Roentgenium ↗

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  1. 112This chemical element has atomic number 112.RECALL
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  2. 113This chemical element has atomic number 113.RECALL
    Nihonium

    Symbol Nh

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  3. 114This chemical element has atomic number 114.RECALL
    Flerovium

    Symbol Fl

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