periodic table

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Across
  1. 1. the most reactive metal group
  2. 4. A Lanthanide
  3. 5. What is a positive charged ion called
  4. 8. shiny and good conductors are properties of what element
  5. 9. the group found alone in nature
  6. 10. Metals get more reactive when you go ______ the group
  7. 11. the group that is colorless, odorless, and tasteless
  8. 12. A alkali metal
  9. 14. the most reactive non-metal group
  10. 16. The number of valence electrons for boron
  11. 17. Transition metal in column ten
  12. 19. Halogen
  13. 22. the number of dots on the Lewis dot structure represent valence ______
  14. 24. non-metal in period 3
  15. 28. What is a negative charged ion called
  16. 29. A noble gas
  17. 30. arranged elements in order of atomic number
Down
  1. 2. the group has compounds with different colors
  2. 3. dull and poor conductors are properties of what element
  3. 6. the group that are all radioactive
  4. 7. The number of charge depends on how many ______ electrons are lost or received
  5. 8. contains both metals and nonmetals is a property of what element
  6. 13. alkaline earth metal
  7. 15. Lanthanides react ______ with most non metals
  8. 18. the group that has a high melting and boiling point
  9. 20. First person to develop periodic table but was not published
  10. 21. Made first published periodic table
  11. 23. A Actinide
  12. 25. Metal in period 4
  13. 26. Metalloid in period 2
  14. 27. When metals and nonmetals chemically bond together ______ are formed