The periodic table is an icon. But chemists still can’t agree on how to arrange it New data about the elements and their relationships have led to debate over the 150-year-old table’s optimum ...

The periodic table didn’t actually start with Mendeleev. Many had tinkered with arranging the elements.

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

A new version of the periodic table of elements has predicted hundreds of highly charged ions that could be used to create the next generation of optical atomic clocks. The periodic table, first ...

To account for this, most periodic tables hive off the elements making up this f-block, putting it below the table, leaving a gap in group 3. Fair enough.

The asteroid named 33 Polyhymnia is so dense that researchers theorize that it may be made up of elements not contained on the periodic table.

The theory of evolution is fundamental to biology — and the periodic table is literally elemental to our understanding of the world.

Today’s periodic table. Offnfopt/Wikipedia But once you give Mendeleev’s table a 90-degree turn, the similarity to the modern version becomes apparent. For example, the halogens – fluorine (F), ...