Creating mnemonic phrases can help you remember the order of elements, especially for the first 20 elements or specific groups. These phrases are general and are available on other free online sources ...

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I entered the Yale Medical Historical Library with the smell of tert-butyl methyl ether still lingering, phantom-like, from the organic chemistry lab I had just left. Tucked away in my lab notebook ...

Editor’s Note: This story is part of CNN’s coverage of Black History Month and its ongoing commitment to honoring unsung heroes. While other seventh graders hung ’90s pop band and movie posters on ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we may ...

One hundred fifty years after Russian chemist Dmitri Mendeleev published his system for neatly arranging the elements, the periodic table it gave birth to hangs in every chemistry classroom in the ...

There are many different versions of the periodic table, but one among them reigns supreme. Michelle Francl ponders on why chemists put elements in boxes. The postcard to me began '53 90.8.92.g.1.t'.