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 ...

Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between elements with atomic weights that differed by seven. He called this The Law of ...

The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...

The periodic table of elements is a landmark categorization developed ... Related: Inside the 20-year quest to unravel the bizarre realm of 'quantum superchemistry' ...

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 ...

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different 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? The periodic table is a ...

You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and nitrogen, make up our bodies and the air we breathe. Yet there is also a class of ...

After a breakdown in US-Russia relations, Riken finds itself ahead of its rivals. And Lawrence Berkeley National Laboratory chases element 120 ...