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The top documents tagged [chemical reation]
Review of Blue Tack Prac All atoms of a type of element are the same size. Pure substances have only one type of particle Helium does not react, Elements
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Chapter 2: Study Guide Have fun studying!. What happens to atoms during a chemical change? Atoms rearrange to form matter with different properties
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6.2 Enzymes and Chemical Reactions pages 156-160
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