OCR GCSE Chemistry A · J248
Specification CM1.1i · Paper 1 (Foundation), Paper 3 (Higher)
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GCSE Chemistry · key term
A drawing convention in which an ordinary line represents a bond in the plane of the page, a solid wedge points towards the viewer and a dashed wedge points away.
Used by OCR
Specification CM1.1i · Paper 1 (Foundation), Paper 3 (Higher)
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