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This chemical element has the symbol Ce.

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Your new ahaCerium

Cerium has 58 protons in every atomic nucleus. Changing that number would make a different element. Source: Cerium

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  1. 59This chemical element has the symbol Pr.RECALL
    Praseodymium

    Atomic number 59

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  2. 60This chemical element has the symbol Nd.RECALL
    Neodymium

    Atomic number 60

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  3. 61This chemical element has the symbol Pm.RECALL
    Promethium

    Atomic number 61

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