Across
- 3. to break apart
- 5. a change that produces one or more new substances with new chemical properties
- 7. an atom that has either a positive or a negative charge
- 8. a number in a formula that tells the number of atoms of an element in a compound
- 11. tells the kinds of atoms and how many of each kind are in a compound
Down
- 1. to keep the number of atoms the same on both sides of the equation
- 2. a mixture in which one substance is dissolved in another
- 4. a substance that is altered in a chemical reaction
- 6. a combination of one or more substances in which no reaction takes place
- 9. a number placed before a formula in a chemical equation
- 10. a substance that is formed in a chemical reaction