periodic table

Superheavy Element 114's Synthesis Confirmed, Dashes Hopes of "Island of Stability"

Long hoped to represent the point where superheavy elements don't immediately decay, Ununquadium turns out to be not so stable after all

More than 10 years after Russian scientists first claimed to create atoms of Ununquadium, the unstable element in position 114 on the periodic table, scientists at Lawrence Berkley National Laboratory have confirmed their own element 114 sample. Unfortunately, the 114 atoms quickly decayed, dashing years of hope that element 114 occupied the long sought "island of stability" where super-heavy elements could exist in large quantities for long periods of time.

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Newly Discovered Element 112 Named "Copernicum"


When we talked with element 112's discoverer, Sigurd Hofmann, on the significance of making a permanent mark on the periodic table, he told us he wanted a moniker that recognized a famous scientist while avoiding the flag-waving nationalism normally associated with the process. Today, Hofmann and his team made their decision public.

Good bye element 112 and ununbium, its placeholder name. Hello "Copernicium."

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Feature

What's It Like to Name An Element on the Periodic Table?

Element naming has a surprisingly contentious history. Bitterly contentious. We spoke to Sigurd Hofmann, credited recently with the discovery of element 112, to see how he might change course

Element 112:  From Theodore Gray's Periodic Table
It's one of the most hallowed clubs in all of science--the lucky few who have discovered and named an element on the periodic table. After stabilizing and observing the latest addition to chemistry's constitution, element number 112, Sigurd Hofmann and his team will have the chance to make their mark. And despite element naming's bitterly contentious history (very bitter, actually), Sigurd isn't sweating it much.

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The Periodic Table: Older Than It's Ever Been

The chemistry cornerstone celebrates its 140th birthday

Ah, the periodic table. The Rosetta Stone of chemistry, if you will. Well, today, this great tormentor of high school science students celebrates its 140th birthday, so lets take a quick look at a bit of the history behind this scientific gem.

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More Periodic Table Awesomeness

Our mad scientist has expanded his periodic-table product empire

PopSci’s resident mad scientist and pre-eminent element guru Theo Gray has not only amassed one of the best element-sample collections around, he’s spent the last several years taking very high quality photographs of it.

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