AQA GCSE CHEMISTRY CERTIFICATION EVALUATION EXAMS SOLVED QUESTIONS STUDY GUIDE GUARANTEED TO PASS

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AQA GCSE CHEMISTRY CERTIFICATION EVALUATION EXAMS SOLVED QUESTIONS STUDY GUIDE GUARANTEED TO PASS

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2026/2027

Institution GCSE CHEMISTRY

Course GCSE CHEMISTRY

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AQA GCSE CHEMISTRY CERTIFICATION EVALUATION EXAMS SOLVED QUESTIONS STUDY GUIDE GUARANTEED TO PASS

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AQA GCSE CHEMISTRY CERTIFICATION
EVALUATION EXAMS SOLVED QUESTIONS
STUDY GUIDE GUARANTEED TO PASS

◉ What is the centre of an atom called?. Answer: Nucleus

◉ What are the charges on protons, electrons and neutrons. Answer:
Protons= +1
Electrons= -1
Neutrons= 0

◉ What are the relative masses of protons, electrons and neutrons.
Answer: Protons= 1
Electrons= 0.0005
Neutrons= 1

◉ Why are atoms neutral?. Answer: Because when the protons,
electrons and neutrons charge they equal 0 overall -1+1+0= 0 so the
atom is neutral

◉ What is an element. Answer: A substance containing only one type
of atom

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Uploaded on: August 10, 2026
Number of pages: 4
Written in: 2026/2027
Type: Exam (elaborations)
Contains: Questions & answers

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