Properties of the Periodic Table

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Across
  1. 2. Arranged the Periodic Table in terms of similar properties
  2. 5. Horizontal row of the Periodic Table
  3. 7. Meaning a molecule has 2 atoms
  4. 11. Element 79 on the Periodic Table
  5. 13. Alkaline Earth Metal with the most metallic character
  6. 14. Tendency of an atom to attract electrons
  7. 18. Inert gases found in group 18 of the Periodic Table
  8. 19. As solids, nonmetals tend to shatter easily because they are _____
  9. 20. Discovered elements were arranged by increasing atomic number
  10. 21. Metals are GOOD _____ of heat and electricity
  11. 22. Lithium and Potassium have similar _____ because they are in the same family
Down
  1. 1. Have one valence electron
  2. 3. Vertical column of the Periodic Table
  3. 4. Groups 3-12 on the Periodic Table
  4. 6. Size of an atom
  5. 8. Appear along the thick black "staircase" on the Periodic Table
  6. 9. Most electronegative element on the Periodic Table
  7. 10. These elements gain electrons in an ionic bond
  8. 12. Include fluorine, bromine, and iodine
  9. 15. Energy required to remove an electron
  10. 16. These elements lose electrons in an ionic bond
  11. 17. Only metal that is a liquid at room temperature