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2-Bromo-1-(2,4-dichlorophenyl)ethan-1-one

by MolGod.org

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Licence	CC BY-SA
Source	Sketchfab
Designer	MolGod.org
Attribution	MolGod.org on Sketchfab · CC-BY-SA 4.0 (attribution + share-alike) · Attribution required
Tags	stl, molecule, teaching, classroom, engraved, education, science, chemistry, 3d-printing, stem, molecular-model, aromatic

2-Bromo-1-(2,4-dichlorophenyl)ethan-1-one (C8H5BrCl2O, CAS 2631-72-3) — a free educational 3D molecular model for teachers and students, by MolGod.org. Every atom carries its engraved element symbol, so no colour key is needed. Look at the skeleton first: 2-Bromo-1-(2,4-dichlorophenyl)ethan-1-one contains one aromatic 6-membered ring, and students can trace 17 bonds (10 single, 1 double and 6 aromatic, drawn in Kekulé form). Use the engraved letters like a register: call out each element and tick it off until the class reaches 8 C + 5 H + 1 Br + 2 Cl + 1 O (17 atoms altogether). On the printed model, students can point to the ketone group (C=O), the two C-Cl bonds and the C-Br bond. Full record and more free models: https://molgod.org/molecule/2631-72-3/ Licence & provenance: https://molgod.org/licenses/stl/2631-72-3/ Required attribution (CC BY-SA 4.0): "2-Bromo-1-(2,4-dichlorophenyl)ethan-1-one 3D model by MolGod.org — https://molgod.org/molecule/2631-72-3/ — CC BY-SA 4.0"

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