Across
- 3. elements are the building blocks of
- 6. who created the periodic table
- 7. z is for
- 10. elements are grouped into
- 13. h is for
- 14. table table of all elements organized to relate to one another
- 16. what do we need to live
- 17. eighteen how many elements are there
- 18. atoms came from the greek word meaning
- 19. how did he know there were missing elements
Down
- 1. that make up about almost everything
- 2. masson the bottom of the elements name
- 4. are found in the nucleus
- 5. how many families are on the periodic table
- 8. how were the elements organized
- 9. f is for
- 11. properties what is weight of standard samples of elements
- 12. in the top left of the element
- 15. unchangable substances