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Ammonia 3D Molecular Model — CAS 7664-41-7

Ammonia 3D Molecular Model — CAS 7664-41-7

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Ammonia (H3N, CAS 7664-41-7) — a free educational 3D molecular model for teachers and students, by MolGod.org. Element symbols are cut into each atom sphere: a self-labelled teaching aid. Ask the class whether Ammonia contains a ring. It does not: 4 atoms and 3 bonds (all of them single) make up an open structure. Give each pair of students the model and a blank sheet: recording every engraved symbol should lead them to 3 H + 1 N, which is 4 atoms. For intermolecular forces: the molecule has 1…

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