Methane 3D Molecular Model — CAS 74-82-8

Methane (CH4, CAS 74-82-8) — a free educational 3D molecular model for teachers and students, by MolGod.org. Symbols are engraved into every atom, so students read atoms by symbol, not by colour. Plain ball-and-stick prints look the same for every element: the STL format has no way to say which ball is carbon and which is oxygen. MolGod engraves the element symbol directly into every atom sphere, so the identity of each atom is part of the geometry itself. The purpose is educational: teachers g…

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