LibraryThe ElementsOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaElement

This element is essential to DNA and bone, and one of its forms glows faintly, inspiring its name.

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Your new ahaPhosphorus

Phosphorus: Essential component of DNA and bones. Source: Phosphorus

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More from The Elements

A few more worth knowing.

  1. 16This element's bright yellow crystals and pungent compounds have been used since antiquity to make gunpowder.RECALL
    Sulfur

    Sulfur's bright yellow crystals and pungent compounds have been used since antiquity to make gunpowder.

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  2. 17Sulfur · chemical symbolRECALL
    S

    Sulfur's bright yellow crystals and pungent compounds have been used since antiquity to make gunpowder.

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  3. 18This element disinfects drinking water and, combined with sodium, forms ordinary table salt.RECALL
    Chlorine

    Chlorine disinfects drinking water and, combined with sodium, forms ordinary table salt.

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