For the last fifty or so years, the periodic table has been incomplete. Elements after uranium on the periodic table have been synthesized for the past few decades, but there were always a few missing ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

I highly recommend Wonderful Life with the Elements as a companion to the science classroom. Our world, everything we know, can be distilled into 188 elements. The very thought is fascinating in its ...

Giant posters of the periodic table of elements adorn many a grade school classroom. The table is in virtually every science textbook, and featured on zillions of websites and even t-shirts. That ...

And with a single announcement, millions of text books around the world have been made incomplete—out of date. This comes as four new elements are added to the periodic table, finally completing the ...

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 ...

CORRECTION: On Jan. 7, 2016, this story was changed to correct the atomic number for livermorium and to clarify that IUPAC was the group that gave temporary names to the new elements. With the ...

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard When you purchase through links on our site, we may earn an affiliate commission ...

Four new elements now have names. In December, the International Union of Pure and Applied Chemistry officially recognized the discovery of elements 113, 115, 117 and 118, filling out the seventh row ...