The Periodic Table is a well-organized chart that contains all 118 known elements in the universe. These elements are the ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

The periodic table arranges all the chemical elements in a specific way. Patterns are visible in the way that elements behave, and this allows us to make predictions about other elements.

Can you believe the periodic table has been around for over 150 years? Take this quiz to see if you can find the elements. What information do we collect from this quiz? What is the periodic table?