Across
- 1. acid
- 2. The smallest building block
- 4. no charge
- 6. speeds up a chemical reaction
- 7. The more H+ ions
- 9. Reaction rearranging atoms
- 11. negative
Down
- 1. It positive
- 3. after a chemical reaction
- 5. beginning substances
- 8. bonded together
- 10. basic