The single hole 17mm purple atom is used to represent a halogen in all Molymod molecular model organic & inorganic sets. The dark green 60111E, orange 60114E are the other two common atoms used represent halogens & are included in our various student sets. A fourth one, the 60116E is light green is available as an option.
The single hole 17mm purple halogen atom is included as an alternate atom to represent a third halogen such as fluorine or iodine in many Molymod molecular model sets including our most popular student set the University Organic Chemistry Model Set.
Use only these genuine Molymod Atoms & Bonds for full compatibility with any of our Molymod Molecular Model Sets & Molymod Molecular Model Kits.