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This chemical element has the symbol Eu.

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Your new ahaEuropium

Europium has 63 protons in every atomic nucleus. Changing that number would make a different element. Source: Europium ↗

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  1. 64This chemical element has the symbol Gd.RECALL
    Gadolinium

    Atomic number 64

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  2. 65This chemical element has the symbol Tb.RECALL
    Terbium

    Atomic number 65

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  3. 66This chemical element has the symbol Dy.RECALL
    Dysprosium

    Atomic number 66

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