Nitric Acid 3D Molecular Model — CAS 7697-37-2

Nitric Acid (HNO3, CAS 7697-37-2) — a free educational 3D molecular model for teachers and students, by MolGod.org. No legend required: the element symbol is engraved on each atom. An acyclic molecule to start with: Nitric Acid joins 5 atoms through 4 bonds (3 single and 1 double), and students will not find a ring. Counting task: 1 H + 1 N + 3 O gives 5 engraved spheres; can the class rebuild the formula HNO3 from the model alone? For compare-and-contrast work, Nitromethane (CAS 75-52-5) is st…

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