Across
- 2. No fixed shape
- 4. Nuclear fuel element
- 8. Needed to breathe
- 11. One type of atom
- 14. Loss of electrons
- 18. No charge particle
- 19. Battery metal
Down
- 1. pH above 7
- 3. Formed from acid + base
- 5. Smallest unit of matter
- 6. Negative particle
- 7. Prevents rust on iron
- 9. Table column
- 10. Table row
- 12. Yellow, smelly element
- 13. Holds atoms together
- 15. Charged atom
- 16. pH below 7
- 17. Positive particle