Terephthalic Acid 3D Model — CAS 100-21-0

Terephthalic Acid (C8H6O4, CAS 100-21-0) — a free educational 3D molecular model for teachers and students, by MolGod.org. Each atom is labelled with its own engraved element symbol: no colour chart needed. In Terephthalic Acid the ring system sets the overall shape: one aromatic 6-membered ring. Altogether 18 bonds hold the model together (10 single, 2 double and 6 aromatic, drawn in Kekulé form). Quick starter: ask students to count the engraved symbols (8 C + 6 H + 4 O) and check that they a…

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