The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...

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

Can France claim the first periodic table? Probably not, but a French Geology Professor made ... bromine), and tellurium similar to the group 6 elements (oxygen, sulphur, selenium), so he swapped them ...

and all the elements in group 0 are unreactive non-metals. The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from non-metals, on the right.

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? The periodic table is a ...

The periodic table of elements (often known simply as the periodic table) has been helping scientists with their work for a little over 150 years. The handy visual reference guide organizes known ...

National Periodic Table Day, observed annually on February 7, honors one of the most significant achievements in scientific ...