AQA GCSE Chemistry Topic 1 Verified Answers
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AQA GCSE Chemistry Topic 1 Verified Answers 
1. What is the smallest unit of an element that can exist on its own? 
Answer: Atom. 
2. What is a chemical bond between two or more elements? 
Answer: Compound. 
3. What is a combination of two or more elements or compounds that are not chemically bonded? 
Answer: Mixture. 
4. What is the sum of protons and neutrons in an atom? 
Answer: Relative mass. 
5. What do you use to draw the line for chromatography? 
Answer: Pencil. 
6. What does c...