It happens all over the periodic table. The chemical symbol for lead is Pb. For mercury, Hg. For antimony, Sb. My chemistry teacher in high school cracked up every time she referred to the symbol for ...

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As of 2019, the Periodic Table of the Elements has been around for 150 years. Maybe you've felt a certain chemistry with 2019 but don't know why? Maybe it's because this year marks the 150th ...

What comes to mind when you think about isotopes? Radioactivity, perhaps? That’s only the tip of the iceberg. A new interactive periodic table of the elements and isotopes, launched last month by the ...

Chemistry textbooks as we know it are officially out of date, as four new elements will soon be added to the periodic table. Elements 113, 115, 117 and 118 have formally been recognized by the ...

To celebrate National Chemistry Week, which runs from Oct. 20-26, we asked a bunch of scientists, with help from the American Chemical Society, what their favorite periodic element is, and why. A ...

To celebrate 150 years of the periodic table, all the words in this grid are made from chemical element symbols. Fill each white square with one element. Take care! Some squares contain more than one ...

Oh dear—π day 2016 has gone by and I still haven’t memorized p in what I used to call the ‘‘elementary’’ way that I invented some decades ago. Somebody recently suggested the much better name ...

At one point, while drowning in research for The Disappearing Spoon, I could pretty much name every element on the periodic table, in order. I was more than happy to let this "talent" lapse, ...