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This chemical element has the symbol Np.

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Your new ahaNeptunium

Neptunium has 93 protons in every atomic nucleus. Changing that number would make a different element. Source: Neptunium ↗

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More from Chemical Symbols and Elements

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  1. 94This chemical element has the symbol Pu.RECALL
    Plutonium

    Atomic number 94

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  2. 95This chemical element has the symbol Am.RECALL
    Americium

    Atomic number 95

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  3. 96This chemical element has the symbol Cm.RECALL
    Curium

    Atomic number 96

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