Chemistry 402: Organization of the Periodic Table . Season 1 Episode 402 | 27m 33s. Periods and families in the periodic table are described. Aired 01/04/2002 | Rating NR ...

High school chemistry students will now have to learn about four additional elements on the Periodic Table of Elements. The International Union of Pure and Applied Chemistry (IUPAC) has announced ...

And on Nov. 28, after a five-month waiting period during which IUPAC accepted public comments, ... The seventh row of the periodic table is now complete. Accessibility statement Skip to main content.

Currently, the seventh period of the periodic table has been completed, with the recent addition of four elements in December 2015. Image source, University of St Andrews.

According to the university, this table seems to be the only one from its period surviving anywhere in Europe. In any case, the old chart dates closely to the conception of the periodic table, itself.