Exam (elaborations)
OCR 2023 GCSE CHEMISTRY A (GATEWAY SCIENCE) J248/01: PAPER 1 (FOUNDATION TIER) QUESTION PAPER & MARK SCHEME (MERGED
2 © OCR 2023 Section A You should spend a maximum of 30 minutes on this section. Write your answer to each question in the box provided. 1 Where is most of the mass found in an atom? A Electrons B Neutrons C Nucleus D Protons Your answer [1] 2 Sodium fluoride has the formula NaF. The fo...
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