Across
- 2. in a chemical reaction mass is neither created nor destroyed
- 5. substances that are produced in the reaction
- 6. anything that has mass and takes up space
- 9. whole numbers that make chemical equations balanced
- 10. unequal numbers of each type of atom on the reactant side compared with the product side
Down
- 1. substance that is present at the end of a chemical reaction
- 3. used to show the number of each type of atoms in a chemical substance
- 4. being equal in both sides
- 7. a process in which one or more substances are converted to one or more different substances
- 8. involves the breaking of existing bonds and the formation of new ones