In chemistry, the chemical nomenclature of ionic and molecular compounds uses a systematic approach of prefixes to indicate ...

What do magnets, smartphones and medical imaging devices have in common? They all depend on rare earth elements called lanthanides, which are vital for modern technology. Yet, separating these ...

A basic building block of matter. There are 118 chemical elements, 94 of which occur in nature. The additional 24 are created in labs. See rare earth elements and isotope. THIS DEFINITION IS FOR ...

Although the Periodic Table of Elements is an impressive achievement of human understanding, scientists are still finding secrets about certain elements among its carefully arranged rows and columns.

You may have noticed that the rock formations are very different colors. The rock formations on the left are from Red Rock State Park in Texas, and on the right is El Capitan Mountain in Yosemite ...