Discover the history, structure, and importance of the periodic table of elements ... For example, the symbol for tungsten is "W" because another name for that element is wolfram.

You may use table navigation commands for the screen reader of your choice. The Periodic Table of Elements. Each entry contains the atomic number, chemical symbol, and atomic mass to two decimal ...

pure substances made from a single type of atom. But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can come top in our periodic ...