Exam (elaborations)
GCSE AQA Chemistry Exam 100% Marking Scheme
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GCSE AQA Chemistry Exam 100% Marking Scheme Draw and label an atom -ANSWER Protons Neutrons Electrons What are the masses and charges of these parts of an atom? • Proton • Neutron • Electron -ANSWER Protons = +ve (mass 1) Neutrons = neutral (mass 1) Electrons = ...
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