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How To Read the Periodic Table
To keep track of the elements, scientists use the Periodic Table, a chart that shows all the elements. (Click here to get the pdf if you don't have it already.) Scientists can quickly find out basic information about an element just by looking at the Periodic Table.

There are over 100 known atoms - one for each of the known elements.

Here's a close-up look at the carbon square from the Periodic Table:

Carbon is number 6 on the Periodic Table
Example of the Periodic Table