Give each student a Periodic Table of Energy Levels activity sheet. This table contains energy level models for the first 20 elements. The electrons are included only for the atoms at the beginning ...

In December of 2011, students presented Professor Martyn Poliakoff of the University of Nottingham with a periodic table of cupcakes for his birthday. See pictures of the event at Flickr . 9.

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 ...

150 years ago, Russian chemist Dmitrii Mendeleev created the periodic table of the elements, revolutionizing chemistry.