The periodic table, also called the periodic table of elements ... Russia. At the time, no modern organic chemistry textbooks in the Russian language existed, so Mendeleev decided to write ...

It is simply not yet clear whether the principle that elements in the same column in the periodic table behave similarly remains valid for very heavy atoms. That question is of no great practical ...

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...

It’s a way of avoiding one of the most controversial questions about the periodic table: What elements belong in group 3? No one disputes scandium and yttrium. But which elements come below ...

The periodic table has become an icon of science ... we can go before the atom becomes too unstable. We now have a table with no gaps, and that gives us a real feeling of understanding nature.

And for chemistry, no cause for celebration surpasses the origin of the periodic table of the elements, created 150 years ago this March by the Russian chemist Dmitrii Ivanovich Mendeleev.

Dr. Mainz added, “If you want to communicate with an alien race, put up a periodic table, because that arrangement is universal no matter where you are.” “Many people seem to believe that ...

and for whatever complex reasons there is no configuration of neutrons that can stabilize that unhappy nucleus. So, are there elements not on the periodic table that humans can or have invented?

Naturally occurring superheavy elements beyond those listed in the periodic table could potentially explain ... in our solar system are so dense that no element on Earth can explain their properties.