Across
- 2. a substance that cannot be broken down
- 3. Reaction when substances interact and form a new substance
- 7. the starting substances in a chemical reaction
- 9. the smallest particle of a chemical element
- 10. the new substance formed in a chemical reaction
- 11. when two things are not equal
- 12. the small number to the right of a symbol
Down
- 1. a solid that forms in a solution
- 4. one or two letters to represent an element
- 5. when two things are equal
- 6. a substance formed of two or more elements
- 8. a statement with an "=" in it