- 8311 1680x1050 atom, molecule, element
- 11152 1680x1050 atom, rings, stones
- 13861 1680x1050 atom, molecule, chemistry
- 9362 1680x1050 atom, sphere, lines
- 22151 1680x1050 atom, chemistry, molecule
- 24383 1680x1050 nucleus, atom, red
- 2044 1680x1050 building, windows, architecture
- 20415 1680x1050 chlorofluorocarbons, dichlor, molecule