Periodic Table Crossword Project

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Across
  1. 6. two valence electrons, not found alone in nature
  2. 8. This element is a Noble Gas
  3. 9. Copper is this type of element
  4. 12. This element is a Halogen
  5. 13. This element is an Alkali Metal
  6. 14. These are good conductors of heat and electricity;shiny
  7. 20. Arranged elements in order of increasing atomic number
  8. 21. The current Periodic table is organized by this increasing physical feature
  9. 23. Rare earth metals, have high melting and boiling points.
  10. 26. Nonmetals _____ electrons to form ions, what is the other term for (give)
  11. 27. Seven valence electrons, most reactive nonmetals.
  12. 29. This group are the most reactive metals on the periodic table.
  13. 30. This element is a Transition Metal in period 4
Down
  1. 1. Created the first official periodic table
  2. 2. The number of dots a Lewis Dot Structure for Flourine would have.
  3. 3. This element is an Actinide
  4. 4. Nonmetals become negative ions, called these
  5. 5. One valence electron, silvery gray metals
  6. 7. Metals _____ electrons to form ions, what is the other term for (lose)
  7. 10. Have full valence electron shells, nonreactive.
  8. 11. Hydrogen is this type of element
  9. 15. Ductile and malleable, good conductors, compounds have different colors.
  10. 16. This element is an Alkaline Earth Metal
  11. 17. Boron is this type of element
  12. 18. Are brittle, dull,and are poor conductors of heat and electricity
  13. 19. All are radioactive, man made, and grouped into a row not a column
  14. 22. These type of elements are semiconductors
  15. 24. Valence electrons are the electrons in the ________ energy level
  16. 25. The chemical property that determines how elements will react with other elements to form compounds
  17. 28. Metals become positive ions, called these