The modern version of this chemical element chart has been tweaked to account for the quantum theory that governs the arrangement of electrons surrounding the nucleus and the outermost electrons that ...

Including the oceans. and the atmosphere, the exterior crust of the earth is composed half of oxygen and one-fourth of silicon, while the other fourth is represented by other elements—aluminum ...

Many of the elements that make up your smartphone are endangered, according to scientists from the University of St. Andrews. Learn more about this research.

The periodic table of the elements isn't as confusing as it looks. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists had a ...

Elements are the chemical building blocks of matter. Everything in the universe that takes up space is made of elements. There are 92 elements found in nature and another 20 or so that scientists ...

For now, they're known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113 ...

Chemical Elements. Their Classfication. By H. E. Armstrong. On supporting science journalism. If you're enjoying this article, consider supporting our award-winning journalism by subscribing.