Moléculas 3D

http://phet.colorado.edu/en/simulation/molecule-shapes

Click to Run

Moléculas a 3D (Chemistry, 5th Edition, John McMurry & Robert C. Fay, Pearson Education) 

Selecionar Molecule Gallery.
Com o cursor podemos rodar as moléculas.

http://www.educaplus.org/moleculas3d/index.html

Recomendada pelo blogue Átomo e meio