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This chemical element has the symbol Zr.

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Your new ahaZirconium

Zirconium has 40 protons in every atomic nucleus. Changing that number would make a different element. Source: Zirconium

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  1. 41This chemical element has the symbol Nb.RECALL
    Niobium

    Atomic number 41

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  2. 42This chemical element has the symbol Mo.RECALL
    Molybdenum

    Atomic number 42

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  3. 43This chemical element has the symbol Tc.RECALL
    Technetium

    Atomic number 43

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