Use the drop-down menus to select the organic compound model being described.

1. Shows valence electrons:
2. Shows chemical composition but no structure:
3. Is used most for hydrocarbons; shows lines and functional groups only:
4. Shows each line represented as a pair of shared electrons but is not truly three-dimensional:
5. Shows three dimensions but no interior bonds:
6. Is used in kits and shows a general shape:
options are, ball and stick, lewis structure, molecular, space filling, skeletal, and structural