Each pack contain 10 green balls representing halogen atoms and the diameter of each atom is 20 mm. Smaller 17 mm atoms are available separately.
This item is for extending an existing set or for replacing lost parts.
The Molymod® system is the original, unique, dual-scale system of high quality low-cost molecular models. These enormously popular sets are ideal for students but are also used by scientists all over the world.
This pack of white Molydome style atoms are used typically to represent hydrogen atoms in a compact way and is for extending your existing set or for replacing lost atoms.
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