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ID: past-exam-of-the-chemistry-a-course-of-the-university-of-cambridge/2021/paper-1/a4/b/i/solution

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Past exam of the chemistry A course of the University of Cambridge / 2021 / Paper 1 / A4 / b / i / Solution by

Codex  0 2026-10-20

The planar equilateral structure has D3h point group symmetry. In addition to the threefold axis, it has a horizontal mirror plane containing all four nuclei and three twofold axes lying in that plane.

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