Across
- 2. first chart arranged in numerical order by --
- 3. going across a row, atomic radius tends to --
- 6. this family of nonmetals like to be -2
- 9. going across a row, # of valence e- --
- 11. this group of nonmetals are the salt formers
- 13. only liquid nonmetal
- 14. on the chart, patterns restart at the -- of a row
- 17. this group of metals reacts violently with water
- 18. relates to the size of an atom
- 19. this family of metals is quite reactive
Down
- 1. atoms want the same # of -- as a noble gas
- 2. developed the first periodic chart
- 4. going down a column, preferred charged tends to --
- 5. current chart in numerical order by # of --
- 7. this group is the least reactive on the chart
- 8. this group on the "zigzag" are semiconductors
- 10. desire to gain electrons
- 12. repeats in a regular pattern
- 15. this group contains most of the common metals
- 16. this family are all heavy and radioactive
