The “Big Six” Elements of Early Earth
Lecture no. 17 from the course: The Origin and Evolution of Earth: From the Big Bang to the Future of Human Existence
Taught by Professor Robert M. Hazen | 33 min | Categories: The Great Courses Plus Online Science Course
Survey Earth’s six dominant elements: oxygen, magnesium, aluminum, silicon, calcium, and iron. Each has played a key role in Earth’s history, governed by the element’s distinctive chemical character. Examine this chemistry and learn, for example, why virtually all oxygen on the planet is locked in minerals and rocks.