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 ...

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

By comparing colors across samples, we might be able to determine the real culprit. The green chemistry principle ... As part of the ChemClub's 10 th Anniversary, we asked clubs to create elements of ...

As with all elements on the periodic table, the element's number corresponds ... green men and incredible spacecraft, we're ...

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 ...