There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of ...

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 ...

Mrs Roberts: So, the chemical symbol is Al. See if you can see it in the periodic table. Cal: OK. It is. It's on the right hand side. It's right there. Magic. OK, well I might have been able to ...

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 ...

The zigzag, staircase, line in the diagram of the periodic table above separates the metals ... system is used for representing elements. The symbol for the element is the first letter of its ...

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 ...