Pentane 3D Molecular Model — CAS 109-66-0

Pentane (C5H12, CAS 109-66-0) — a free educational 3D molecular model for teachers and students, by MolGod.org. Instead of colour coding, every sphere carries its engraved element symbol. Ask the class whether Pentane contains a ring. It does not: 17 atoms and 16 bonds (all of them single) make up an open structure. Quick starter: ask students to count the engraved symbols (5 C + 12 H) and check that they add up to 17 atoms and the formula C5H12. Students meeting saturated carbon chains and tet…

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