Applied Chemistry Review Crossword

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Across
  1. 4. Group 17 on the Periodic Table also called "salt formers"
  2. 7. Located around the "stair steps" on the Periodic Table - can act like both metals and nonmetals
  3. 8. The maximum number of electrons that an atom can have in its valence shell - a Stable Octet
  4. 11. Measure of the strength of attraction that an atom has for its electrons
  5. 14. Change A change that occurs in which the identity of a given substance IS CHANGED
  6. 15. Earth Metals Group 2 - very reactive metals, but not as reactive as Group 1
Down
  1. 1. Ionization Energy Energy to remove one valence electron from an element in ground state
  2. 2. Metals Metals in Groups 3 through 12 on the Periodic Table
  3. 3. The vertical columns on the Periodic Table
  4. 5. Scientist who developed the modern Periodic Table based on increasing atomic mass
  5. 6. Number Increases from left to right across the Periodic Table
  6. 9. Change A change in which the identity of a given substance IS NOT CHANGED
  7. 10. The horizontal rows on the Periodic Table
  8. 12. Metals Group 1 - very reactive metals that don't combined with other elements in nature
  9. 13. Gases Group 18 - very unreactive because they have a full valence shell of 8 electrons