Exam (elaborations)
AQA GCSE Chemistry - Paper 1 Question Fully Solved Graded A+.
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What is the charge of a proton? - correct answer +1 What is the charge of a neutron? - correct answer 0 What is the charge of an electron? - correct answer -1 What is the relative mass of a proton? - correct answer 1 What is the relative mass of a neutron? - correct answer 1 What is ...
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