Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...

The vis tellurique from De Chancourtois’s original publication (right) and a copy drawn out with modern symbols (left ... a pattern in inorganic chemistry. Just four years before Mendeleev announced ...

There are currently 118 known elements on the periodic table, and we've put 20 of them below to create a brain game that tests your knowledge. Do you know what element Si is? What about Ne?

VOICEOVER: Chemical symbols and formulas. Every element in the periodic table is represented by a unique ... We've got water with the chemical formula H₂O. Just like that. Now, we always put ...

For the last fifty or so years, the periodic table has been incomplete ... and these researchers will be able to propose a name and atomic symbol for their discovery. Elements 115, 117, and ...

So, what's so special about this iconic symbol of science ... if they manage the task, the periodic table will change yet again. "As soon as just one more is discovered, then we'll have to ...