Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

Researchers have developed a breakthrough semiconductor alloy that paves the way for advanced quantum, photonic, and ...

The periodic table organizes elements according to similar properties — so anyone can tell the characteristics of an element simply by looking at its location on the table.

The periodic table’s arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius. Many scientists worked on the ...

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 ...

Every element in the periodic table gives off a certain amount of visible light. It’s this light that makes it easy to tell gold (Au) and silver (Ag) apart.

There are 17 rare earth elements on the periodic table, but a better name for them would be the "troublesome earths." Here's why. When you purchase through links on our site, we may earn an ...

A near-Earth asteroid is so dense that scientists believe it might actually be made up of elements not found on the periodic table. Dubbed 33 Polyhymnia, ...

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live in.