Across
- 4. A reaction in which heat is produced as a result of the reaction taking place.
- 7. A type of chemical compound that only contains non-metals.
- 10. A reaction in which heat is absorbed in order to have the reaction take place.
- 11. A type of chemical reaction that occurs when elements combine to form something new.
- 14. A type of reaction in which one or more elements switch places with another across a chemical reaction.
- 16. A number written below an elemental symbol used to indicate how many of that element are in the compound.
- 17. Chemical ______ occur when chemical bonds are formed or broken.
Down
- 1. A whole number written in front of an element or a molecule to indicate how many.
- 2. If a chemical reaction has an equal number of atoms on each side of the equation it is considered?
- 3. The materials written at the beginning of a reaction are called the?
- 5. A type of compound that contains a metal.
- 6. Written as an arrow in a chemical reaction to show how a reactant changes into a product.
- 7. The Law of _______ says matter cannot be created or destroyed, only changed.
- 8. A chemical reaction occurs when chemical bonds are formed or ______.
- 9. type of change that turns the material into a new substance.
- 12. There should always be the ____ number of atoms on each side of a chemical equation.
- 13. A type of chemical reaction that occurs when a compound breaks down into parts.
- 15. The material(s) the chemical reaction produces.