Across
- 3. substances on the left side of a chemical reaction
- 5. has the same number of protons but different number of neutrons
- 6. a solid that forms from a solution during a chemical reaction
- 8. The smallest particle of an element is a
- 9. has a neutral charge
Down
- 1. has a negative charge
- 2. number in front of a chemical compound is called?
- 4. reaction a change in matter that produces a new substance
- 6. has a positive charge
- 7. melting example of physical change