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Homework answers / question archive / 1) The smallest unit of an element that takes part in a chemical reaction is a/an ________
1) The smallest unit of an element that takes part in a chemical reaction is a/an ________.
2. What natural element is necessary for normal combustion?
3. What three compounds are produced by the combustion of hydrocarbon fuels?
4. What is the difference between hydrocarbons and carbohydrates?
5. What is the difference between glucose and cellulose?