The periodic table

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Across
  1. 2. what classification describes elements on the far right
  2. 4. what modern property is the periodic table arranged by today
  3. 5. A metal in period two.
  4. 6. uwhat is the name for columns on the periodic table
  5. 9. what group contains the most reactive nonmetals
  6. 14. Levels Elements in the same period share the same number of what?
  7. 15. what charge do metals usually form
  8. 17. What classification describes elements on the left side of the periodic table
  9. 20. what group contains unreactive gases
  10. 23. what do lewis dot structures show
  11. 25. what type of ion forms when an atom gains electrons
  12. 26. what type of element is dull and a poor conductor
  13. 27. what type of element has properties of both metals and nonmetals
  14. 28. An Alkaline Metal
Down
  1. 1. Metals what group contains reactive metals that form +2 ions
  2. 3. what do we call elements along the zigzag line
  3. 7. what type of ion forms when an atom loses electrons
  4. 8. what do we call an atom that has lost or gained electrons
  5. 10. what particle has a negitive charge
  6. 11. What did Mendeleev use to arrange the early periodic table
  7. 12. elements in the same group share similar?
  8. 13. is credited with creating the first modern periodic table
  9. 16. A metalloid
  10. 18. what type of element is shiny and a good conductor of heat
  11. 19. what group contains heavy radioactive elements
  12. 21. what group contains the most reactive metals
  13. 22. what classification includes good conductors of electricity
  14. 24. what group contains elements often used in magnets and lasers