Across
- 2. a reaction in which 2 or more substances react to form a single substance
- 4. a reaction in which a compound breaks down into two or more simpler substances
- 7. the new substances that are formed as a result of a chemical reaction
- 10. a substance that affects the reaction rate without being used in the reaction
- 12. a reaction in which a substance reacts rapidly with oxygen, often producing heat and light
- 13. a reaction in which electrons are transferred from one reactant to another
- 14. a reaction in which two different compounds exchange positive ions and form 2 new compounds
- 16. a chemical reaction that absorbs energy from its surroundings
- 17. a reaction in which the conversion of reactants into products and the conversion of products into reactants can happen simultaneously
Down
- 1. the numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant to the product
- 3. a reaction in which one element take the place of an other element in a compound
- 5. a representation of a chemical reaction in which reactants and products are expressed as formulas
- 6. a chemical reaction that releases energy into its surroundings
- 8. the rate at which reactants change into reactants change into products
- 9. the substances that undergo change in a chemical reaction
- 11. a state in which the forward and reverse paths of change take place at the same rate
- 15. the energy stored in the chemical bonds of a substance