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 chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

The naming follows the same order as with the planets Uranus, Neptune and Pluto which were the inspiration behind the names of the elements. In the periodic table the order is the same ...

Mendeleev’s table listed elements in rows or columns in order of atomic weight ... "I think it my duty to inform you that the name of Professor Carnelley is deservedly and widely known in every ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between elements with atomic weights that differed by seven. He called this The Law of ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.

Many IT product names hide a story, a joke, or a message. We reveal what lies behind the seemingly normal names of hardware ...

But sometimes the symbol comes from a name for the element that is ... Remember that you will only find elements in the periodic table and never compounds. So, you won’t find substances like ...

The search for new elements comes from the dream of finding a variant that is sufficiently stable to be long-lived and not ...