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This chemical element has atomic number 34.

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Your new ahaSelenium

Selenium has 34 protons in every atomic nucleus. Changing that number would make a different element. Source: Selenium ↗

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More from Atomic Numbers and Elements

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  1. 35This chemical element has atomic number 35.RECALL
    Bromine

    Symbol Br

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  2. 36This chemical element has atomic number 36.RECALL
    Krypton

    Symbol Kr

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  3. 37This chemical element has atomic number 37.RECALL
    Rubidium

    Symbol Rb

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