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This chemical element has the symbol Lu.

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Your new ahaLutetium

Lutetium has 71 protons in every atomic nucleus. Changing that number would make a different element. Source: Lutetium ↗

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  1. 72This chemical element has the symbol Hf.RECALL
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    Atomic number 72

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    Tantalum

    Atomic number 73

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  3. 74This chemical element has the symbol W.RECALL
    Tungsten

    Atomic number 74

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