Ionic Bonding 5

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Across
  1. 2. A reaction involving both oxidation and reduction
  2. 4. Substance present at the start of a reaction
  3. 6. Capacity to do work or cause change
  4. 8. Substance formed in a chemical reaction
  5. 9. Horizontal row in the periodic table
Down
  1. 1. Loss of electrons
  2. 3. Group 17 elements that form -1 ions
  3. 4. Gain of electrons
  4. 5. Process of chemical change
  5. 7. Vertical column in the periodic table