Framework models built from the FMM set show to scale the mutual relations of atoms in a molecule. The molecular framework is specified by internuclear distances and accurate bond angles. Multiple bonds and pi orbital systems are designated using special connectors.
Features only two basic components - metal valence clusters (tetrahedron, trigonal, bipyramid, and octahedron) and plastic tubing - that allow the representation of any atom of the periodic chart.
Metal valence clusters define bond angles precisely and can be adjusted to construct models of molecules with unusual bond angles.
Color-coded plastic tubing enables clear identification of atoms.
2–color tubing of univalent atoms bonded to other atoms shows univalent atoms with correct covalent and van der Walls radii.
Shows molecular orbitals and electron pair orbitals.
Components are easy to assemble and are reusable.
Includes a separate booklet of instructions and a carrying case.
Never used. $20
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