Unit 2 Crossword Puzzle

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Across
  1. 5. Group 2 on periodic table
  2. 8. Between the alkaline earth metals and transition metals in period 6
  3. 9. The measure of how easily an atom loses electrons
  4. 11. Group 3-12 on periodic table
  5. 12. Group 17 on periodic table
Down
  1. 1. Increases going down a group, decreases going left to right across a period
  2. 2. Group 18 on periodic table
  3. 3. The measure of how easily an atom gains electrons
  4. 4. The subatomic particles in the outermost shell of an atom
  5. 6. Group 1 on periodic table
  6. 7. Between the alkaline earth metals and transition metals in period 7
  7. 10. The staircase on the periodic table