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

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 ...

The elements that make up each column of the periodic table share a set of common traits. Here, a chemist describes group 15 and the crucial role they play in life.

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications.

The periodic table on the website of the International Union of Pure and Applied Chemistry avoids making a decision about whether La and Ac or Lu and Lr are group 3 elements.

Charles Janet’s left-step table. Wikipedia, CC BY-SA Settling on a design The modern table is actually a direct evolution of Janet’s version. The alkali metals (the group topped by lithium) and the ...

Students will be able to interpret the information given in the periodic table to describe the arrangement of electrons on the energy levels around an atom.

If you are intimidated by the periodic table, then this introduction through the first column of elements will give you a feel for how and why the elements are arranged in this order.

The group then used an online survey to ask almost 150 native Kichwa speakers whether they approved of the group’s element names and periodic table terms.

What sort of periodic table would hang on the wall in Bizarro's classroom? Probably the periodic table of antimatter—the anti–periodic table.

The periodic table, first invented by Dmitri Mendeleev in 1869, groups the 118 known chemical elements according to their chemical properties.