When you see the periodic table, what comes to mind? The pieces on a Scrabble board? Maybe you think about your high school chemistry class. Maybe you think of the colorful table plastered on the wall ...

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 ...

The periodic table of the elements isn't as confusing as it looks. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists had a rudimentary ...