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Radium · chemical symbol

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Radium, discovered by the Curies, once lit up glow-in-the-dark paint before its dangers were understood. Source: Radium ↗

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More from The Elements

A few more worth knowing.

  1. 69This element fuels nuclear reactors and takes its name from the planet Uranus.RECALL
    Uranium

    Uranium fuels nuclear reactors and takes its name from the planet Uranus.

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  2. 70Uranium · chemical symbolRECALL
    U

    Uranium fuels nuclear reactors and takes its name from the planet Uranus.

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  3. 71This element powers nuclear weapons and reactors and was named after the dwarf planet Pluto.RECALL
    Plutonium

    Plutonium powers nuclear weapons and reactors and was named after the dwarf planet Pluto.

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