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

The Periodic Table of Elements. Each entry contains the atomic number, chemical symbol, and atomic mass to two decimal places on elements where data is available. Undefined cells contain a space. Row ...

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today ... "I think it my duty to inform you that the name of ...

Play this game to learn about lots of different elements in the periodic table ... Each square in the table contains an element symbol of one or two letters, not the element name.

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 ...

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Periodic Table as Arranged by Mendelejeff attention ... result has therefore been rather confusing... Thus the name polonium has been applied to RaF, while UX21s also known as brevium.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years ...