This pack of metallic copper atoms are used to represent copper atoms and is for extending your existing set or for replacing lost atoms. Each pack contains 10 balls with six holes in each ball arranged at 90°. Each atom is 23 mm diameter.
Why would I need these? You could use them to represent an octahedral copper atom in a complex such as [Cu(NH3)6]2+.
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.