Environmental Chemistry
Environmental chemistry.com: Periodic Table Potassium
As the name of this site implies, this is a huge reference site for elemental information. Whether you are looking for properties or isotopes, this site probably has what you need. Images of structure and electron energy level can be...
Encyclopedia of Earth
Encyclopedia of Earth: Potassium
Basic information about the element Potassium, atomic number 19. Covers its history, physical and atomic properties, and how abundant it is on the Earth.
Web Elements
Web Elements Periodic Table: Potassium
This WebElements site provides a great deal of elemental information. There are audio files demonstrating the correct pronunciation of the element name, pictures showing the electron shells, and information on isotopes, properties and more.
University of Kentucky
Uk: Potassium Comics
Although this page focuses more on fun than on facts, it will quickly become a favorite of most Chemistry students. Find scanned panels and pages of comic books with elemental characters.
TED Talks
Ted: Ted Ed: Potassium: Periodic Table of Videos
The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about potassium. In this video, see some violent explosions and the gentle creation of a potassium mirror. [4:32]
Other
Chemical Elements: Potassium
A nice, clear site, containing a good deal of elemental information, including atomic weight, density, boiling point, isotopes and more. An image shows the electron energy levels for the element.
University of Wisconsin
U. Wisconsin: The Lowdown on Potassium Uptake in Plants
This article describes research findings from the University of Wisconsin. It shows that plants create an electric potential to draw potassium in from the soil.
Ducksters
Ducksters: Chemistry for Kids: Elements: Potassium
Study the properties and characteristics of potassium on this site. Learn about the element potassium and its chemistry including atomic weight, atom, uses, sources, name, and discovery.
Science Struck
Science Struck: 4 Uses of Potassium Chlorate
Potassium chlorate acts as a catalyst to produce oxygen. Read about some of its uses, including in fireworks and as a water disinfectant.
Science Struck
Science Struck: Interesting Facts About Potassium
Read some facts about potassium and what its uses are.
Science Struck
Science Struck: Fun Facts About Potassium
Describes some characteristics of potassium and presents interesting facts about it, its applications, and its important role in human nutrition.
BiologyWise
Biology Wise: Uses of Potassium
The uses of potassium as a human nutrient, a plant nutrient, and in different industries are described.