- Web Elements: Potassium
Audio description of the alkali metal along with a video clip of what happens when it is introduced to water.
www.webelements.com/webelements/elements/text/K/key.html
- Wikipedia: Potassium
Soft, silvery-white metallic alkali metal that occurs naturally bound to other elements in seawater and minerals.
en.wikipedia.org/wiki/Potassium
- Environmental Chemistry: Potassium
Element K's name in different lanuages, scores of properties, most known nuclides, and common compounds.
environmentalchemistry.com/yogi/periodic/K.html
- Chemical Elements: Potassium
Atomic structure and isotopes for the element discovered by Sir Humphrey Davy in 1807.
www.chemicalelements.com/elements/k.html
- Visual Elements: Potassium
Visual interpretation of the seventh most abundant element on Earth.
www.chemsoc.org/viselements/pages/potassium.html
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