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 ...

And with a single announcement, millions of text books around the world have been made incomplete—out of date.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 ...

Break out the champagne; the 7th row of the periodic table has been completed with the addition of four new elements. While their existence had been predicted before, they have only now been ...

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 ...