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. Symbols are engraved into every atom, so students read atoms by symbol, not by colour. Follow the chain of Nitric Acid from end to end: 5 atoms, 4 bonds (3 single and 1 double) and no ring anywhere. Give each pair of students the model and a blank sheet: recording every engraved symbol should lead them to 1 H + 1 N + 3 O, which is 5 atoms. On the printed model, students can point to the nitro group (-NO2). Place it beside Nitromethane (CAS 75-52-5) and ask students which features are shared and which are not. When you discuss intermolecular forces, note 1 hydrogen-bond donor and 2 acceptors (computed). Free for education: MolGod.org publishes engraved molecular models for teachers, students and schools. Teachers: the engraved symbols let students work with the model without a separate key. Full record and more free models: https://molgod.org/molecule/7697-37-2/?utm_source=myminifactory&utm_medium=referral&utm_campaign=edu-3d-models Licence & provenance: https://molgod.org/licenses/stl/7697-37-2/ Same file on Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Nitric_Acid-3D-molecular-model-engraved-CAS-7697-37-2.stl A ball-and-stick model of Nitric Acid with each element symbol recessed into its atom sphere, generated by MolGod.org from a PubChem-computed 3D conformer (not an experimental crystal structure); atomic coordinates and connectivity are unchanged. STL mesh: 76,986 triangles, closed (watertight) single solid. Coordinates in ångström (STL stores no unit) — scale the model deliberately in your slicer. Names in other languages: Salpetersäure (de); acide nitrique (fr); acido nitrico (it); salpeterzuur (nl); kwas azotowy (pl); 硝酸 (zh). Chemical identity - CAS Registry Number: 7697-37-2 - Molecular formula: HNO3 - Molar mass: 63.013 g/mol (exact mass 62.995642894) - IUPAC name: nitric acid - MolGod ID: MG_912-647-617-05 (https://molgod.org/id/MG_912-647-617-05) - PubChem CID: 944 (https://pubchem.ncbi.nlm.nih.gov/compound/944) - Wikidata: Q83320 (https://www.wikidata.org/wiki/Q83320) - EC number: 231-714-2 - ChemSpider ID: 919 - InChIKey: GRYLNZFGIOXLOG-UHFFFAOYSA-N - SMILES: [N+](=O)(O)[O-] Required attribution (CC BY-SA 4.0): "Nitric Acid 3D model by MolGod.org — https://molgod.org/molecule/7697-37-2/ — CC BY-SA 4.0" Licence text: https://creativecommons.org/licenses/by-sa/4.0/