Across
- 2. These types of elements can be either shiny or dull
- 8. this periodic table group are silvery gray in color
- 14. The charge of an aluminum ion
- 15. fluorine is this type of element
- 17. in a vacuum tube this noble gas glows reddish-orange
- 18. this halogen produces a toxic vapor at room temperature
- 21. nonmetals _______ electrons to become ions
- 22. Designed the modern version of the periodic table
- 26. A lanthanide on the periodic table
- 27. this periodic table group are malleable and good conductors
- 29. all of these elements are radioactive
- 30. The ________________ uses dots to represent the valence electrons of an atom
- 31. this periodic table group is nonreactive
Down
- 1. metals _______ electrons to become ions
- 3. Was credited as the first to design the periodic table
- 4. Lanthanides are violently ________ with nonmetals
- 5. this periodic table group form bases when exposed to water
- 6. this alkali metal is used in rechargable batteries
- 7. these are known as rare earth metals
- 9. this element is the most reactive alkali metal
- 10. this type of element holds the most reactive nonmetals
- 11. Metals have a tendency to chemically _______.
- 12. Attempted to make the periodic table but it was ruled incomplete
- 13. The charge of a potassium ion
- 16. this actinide is a naturally occurring radioactive element
- 19. The electrons on the outermost shell of an atom
- 20. potassium is this type of element
- 23. Nonmetals aren't very durable, they are ______.
- 24. this alkalinei earth metal is used in the body for nerve reactions
- 25. this transition metal is found in period five.
- 28. This metalloid is used in night vision