Encyclopedia of Earth
Encyclopedia of Earth: Gallium
Information about the metallic element, Gallium, atomic number 31. Covers its discovery, its physical and atomic properties, sources, uses, how abundant it is on the Earth, and permissible exposure limits.
TED Talks
Ted: Ted Ed: Gallium: 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 gallium. Discover gallium and be amazed as you watch the experiment called "the beating heart." [7:11]
Khan Academy
Khan Academy: Thermodynamics of Gallium Arsenide Formation
Read the passage "Thermodynamics of Gallium Arsenide Formation," and complete the related five-question quiz.
Ducksters
Ducksters: Chemistry for Kids: Elements: Gallium
Learn about the element gallium and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of gallium.