This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...

The Periodic Table is an amazing chemistry tool that is organized with elements in order of increasing atomic number. The properties of the element change as you move across the row, but are similar ...

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

Is the periodic table hanging in your lab ... in the basic principles of chemistry and are available in both English and Spanish. Most editions are aligned with either National Chemistry Week (NCW) or ...

The ions formed have a full outer electron shell, so are very stable. See the study guide on groups in the periodic table for more information.

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