There are currently 118 known elements on the periodic table, and we've put 20 of them ... a very small part of the ...

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 ...

Then in 1869, a Russian scientist called Dmitri Mendeleev produced one of the first practical periodic tables. He wrote the ... for representing elements. The symbol for the element is the first ...

The vis tellurique from De Chancourtois’s original publication (right) and a copy drawn out with modern symbols (left). John Newlands was British ... However, he is remembered for his search for a ...

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 ...