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This chemical element has the symbol Cu.

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Your new ahaCopper

Copper has 29 protons in every atomic nucleus. Changing that number would make a different element. Source: Copper ↗

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  1. 30This chemical element has the symbol Zn.RECALL
    Zinc

    Atomic number 30

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  2. 31This chemical element has the symbol Ga.RECALL
    Gallium

    Atomic number 31

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  3. 32This chemical element has the symbol Ge.RECALL
    Germanium

    Atomic number 32

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