Applied Chemistry Review Crossword

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Across
  1. 3. Group 1 - very reactive metals that don't combined with other elements in nature
  2. 4. The maximum number of electrons that an atom can have in its valence shell - a Stable Octet
  3. 6. Energy to remove one valence electron from an element in ground state
  4. 9. Increases from left to right across the Periodic Table
  5. 10. Group 2 - very reactive metals, but not as reactive as Group 1
  6. 12. The vertical columns on the Periodic Table
  7. 13. Located around the "stair steps" on the Periodic Table - can act like both metals and nonmetals
  8. 15. A measurable property of a given substance that NEVER CHANGES
  9. 16. A change that occurs in which the identity of a given substance IS CHANGED
  10. 17. The measure of the size of an atom of an element
Down
  1. 1. A change in which the identity of a given substance IS NOT CHANGED
  2. 2. The horizontal rows on the Periodic Table
  3. 5. Scientist who developed the modern Periodic Table based on increasing atomic mass
  4. 7. Group 18 - very unreactive because they have a full valence shell of 8 electrons
  5. 8. Measure of the strength of attraction that an atom has for its electrons
  6. 11. Metals in Groups 3 through 12 on the Periodic Table
  7. 14. Group 17 on the Periodic Table also called "salt formers"