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 ...

Melissa Block and Robert Siegel read entries from a Web site that offers short poems about each of the chemical elements. The site, iSciFiStory.com, asked people to write haiku about their favorites.

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 ...

Scientists, chemists and students interested in the compounds and especially metals within the periodic table which provides a tabular arrangement of the chemical elements, ordered by their atomic ...