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 ...

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 ...

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

Play this game to learn about lots of different elements in the periodic table. While you're watching, look out for where different elements are found in the periodic table. Mrs Roberts ...

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 ...

The search for new elements comes from the dream of finding a variant that is sufficiently stable to be long-lived and not ...

Group 7 of the periodic table is something of an oddity. When the first periodic table was formulated by Mendeleev, it was the only group that contained just a single known element — manganese ...

Can philosophy make worthwhile contributions to science? Eric Scerri thinks it can, and looks at what it has brought to the table for chemistry. Some years ago I bought a T-shirt at an American ...

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