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

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...

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 ...

The seventh row of the table was completed in 2016 when Tennessine, Nihonium, Moscovium, and Oganesson were added. Elements ...

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

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

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 ...

1. Periodic Table as Arranged by Mendelejeff attention to the fact that “the eighth element, starting from a given one, is a kind of repetition of the first, like the eighth note of an octave in ...

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