Rough designs for my chemistry mascots! I've been literally trying to start this for years aha...
Anyway, they are Hydrogen, Carbon, Oxygen, Potassium, Water, Polychlorinated Dibenzo Dioxin, and Polychlorinated Dibenzo Furan. Bohr Rutherford diagrams and water molecule image from the Wiki entry of each respective compound/element.
x-posted to tumblr