Dynamic Periodic Table
An interactive online periodic table including groups, atomic numbers, atomic mass, electron configuration, and more. Click on an element to access its Wikipedia entry.
Periodic Table of Videos
Students and faculty from the University of Nottingham present short videos on all 118 elements.
National Mole Day Foundation
The official website for all information about Mole Day - an international chemistry holiday celebrated annually on October 23rd, between 6:02 am and 6:02 pm.
The Truth about Dihydrogen Monoxide (DHMO)
DHMO.org has committed itself to spreading the truth regarding one of the common and deadly chemicals of them all - Dihydrogen Monoxide!