An introduction to the periodic table, valence electrons, atomic radius, electronegativity, and ionization energy. The Periodic Table (and valence electrons) from Mr. Wildeboer on Vimeo. Links to items in this podcast: Online Periodic Tables WebElements The Dynamic Periodic Table Periodic Table of Videos Extended Periodic Table “Fun” Periodic Tables See my bookmarks at: http://delicious.com/ben.wildeboer/Periodic_table Other [...]