Across
- 3. what color are the solids written in
- 5. alkaline metal in period 2
- 9. periods go ____
- 11. is the first noble gas
- 12. rows go ______
- 13. what color are liquid written in
- 14. is a gas alkaline metal
- 15. Found in column 4A,period 2
- 17. alkaline metal in period 4
- 19. developed the periodic table of elements
- 21. are groups or families with similar properties
- 22. has a valence electron of 6 and is a gas
- 25. has a valence electron of 5 and in a metal (not a metalloid)
- 26. noble gas in period 4
- 27. alkaline metal in period 6
Down
- 1. alkaline earth in period 7
- 2. electrons that are reactive, on outer shell
- 4. what color are the gases written in
- 6. Liquid found with the transition metals
- 7. has a valence electron of 4, is not a metal or and not C
- 8. noble gas in period 3
- 10. alkaline earth in period 3
- 13. Found in column 2A, Period 6
- 16. is a gas halogen, not Cl
- 17. has a valence electron of 6, is not a metalloid
- 18. alkaline earth in period 5
- 20. is a liquid halogen
- 23. transition metal in period 5
- 24. noble gas in period 2
- 27. electrons that are unreactive