Exam (elaborations)
OCR 2023 GCSE Combined Science Physics A Gateway Science J250/11: Paper 11 (Higher Tier) Question Paper & Mark Scheme (Merged)
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2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 Which new feature of the atomic model did Niels Bohr suggest? A Electrons are in stable shells. B Electrons orbit a nucleus. C The atom has a nucleus. ...
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