What do they all mean? And what is the table actually used for? Dr. Tim: So this is the periodic table and each letter on it represents a different element. We call these letters symbols.

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 ...

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