Across
- 2. the continents brought together before they drifted
- 5. what does the P mean is PUFLART
- 6. what is the r in PUFLART
- 13. your bestie!
- 14. clue on when there is chemical changes are happening
- 16. 2 elements combined
- 17. what is the A in PUFLART
- 18. density=__/volume
- 19. A neutral charge in the nucleus
- 20. what is the center of the earth
Down
- 1. what is #9 on the periodic table
- 3. where are the protons and neutrons located?
- 4. what is the U in PUFLART
- 7. h2o
- 8. valence__
- 9. what is the L in PUFLART
- 10. number on the periodic table
- 11. what is the F in PUFLART
- 12. what is the T in PUFLART
- 15. the positive charge in the nucleus