Across
- 1. Who ordered the periodic table by atomic number
- 4. what group are transition metals in
- 5. what is lanthanides other name
- 7. what group has positive ions
- 8. reactivity___ after going down in groups
- 11. all actinides are___
- 12. Alkaline earth metals have how many valance electrons
- 13. noble gases are in what group
- 17. Who was not credited because it was incomplete
- 19. what is group 15 charge
- 20. Non metals are __ conductors
- 22. what is alkani earth metals charge
- 23. reactivity____ after going left to right
- 24. What is the highest reactive metal
- 26. Helium is what type of element
- 27. Iron is what type of element
- 28. Metalloids are ___ conductors
- 29. Alluminum is a
Down
- 1. Who made the first periodic table
- 2. lanthanides are in what group
- 3. how many dots does group 1 have
- 6. what is halogens charge
- 9. how many dots does group 3 have
- 10. what group has all three states of matter
- 14. what is alkani metals charge
- 15. What group of metals is used to make phone
- 16. what is group 16 charge
- 18. Metals are malleable and___
- 19. what group has a full outer shell of electrons
- 21. what group of elements doesn't form ions
- 25. what group is soft anc can be cut by a knife