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Which board are you?
Exam boards structure Chemistry differently – different spec codes, paper counts and weightings. Find your board below, then jump straight into the full specification.
| Board | Spec code | Exam structure | Tiers |
|---|---|---|---|
| AQA | 7405 | 3 papers · 2h each · varied marksWeighting 35% / 35% / 30% | Untiered |
| Edexcel | 9CH0 | 3 papers · varied lengths · varied marksWeighting 30% / 30% / 40% | Untiered |
| Edexcel IAL | YCH11 | 6 papers · varied lengths · varied marksWeighting 20% IAL / 40% IAS / 20% IAL / 40% IAS / 10% IAL / 20% IAS / 20% IAL / 40% IA2 / 20% IAL / 40% IA2 / 10% IAL / 20% IA2 | Untiered |
| OCR | H432 | 3 papers · varied lengths · varied marksWeighting 37% / 37% / 26% | Untiered |
| OCR B | H433 | 3 papers · varied lengths · varied marksWeighting 41% / 37% / 22% | Untiered |
| CIE | 9701 | 5 papers · varied lengths · varied marksWeighting 15.5% / 23% / 11.5% / 38.5% / 11.5% | Untiered |
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