But many tables—including the table on the website of the International Union of Pure and Applied Chemistry (IUPAC), which has the last word on naming elements and molecules—share this feature.

Many scientists worked on the problem of organizing the elements, but Dmitri Mendeleev published his first version of the periodic table in 1869, and is most often credited as its inventor. Since then ...

Recently, Chemistry Solutions caught up with Michael Dayah, creator of ptable.com — one of the first online periodic tables. We asked him to share his story about how he created ptable.com as a high ...

Turning The Tables In Chemistry Date: June 8, 2007 Source: Brandeis University Summary: What do glowing veggies have to do with a career in science?

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In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live in.

And for chemistry, no cause for celebration surpasses the origin of the periodic table of the elements, created 150 years ago this March by the Russian chemist Dmitrii Ivanovich Mendeleev.

Chemistry & Physics. Chemistry 403: Trends in the Periodic Table . Season 1 Episode 403 | 26m 9s. Students learn to describe the pattern in atomic number, atomic mass and atomic radius.

T he periodic table stares down from the walls of just about every chemistry lab. The credit for its creation generally goes to Dimitri Mendeleev, a Russian chemist who in 1869 wrote out the known ...

The iconic chart of elements has served chemistry well for 150 years. But it’s not the only option out there, and scientists are pushing its limits. By Siobhan Roberts When Sir Martyn Poliakoff ...