What makes fireworks colorful? It's all thanks to the luminescence of metals. Find out more with this great graphic from NPR.
Képzéseink - GEOMATECH
Sodium chloride cartoon.
Electron Molecular Geometry: Chemistry
History of Atomic theory
Polyatomic Ions (in a different language, but thankfully, science is universal!)
Polar-Covalent Bonds: a bond between two non-metals where the electrons are unequally shared. -Jillian Charland
Electron configuration. I like this chart