science crossword

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Across
  1. 1. A substance that accepts hydrogen ions
  2. 3. Description of a chemical reaction in which there is a net release of energy
  3. 5. ion A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule
  4. 7. A measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration
  5. 9. The new materials formed in a chemical reaction
  6. 10. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
Down
  1. 2. A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule
  2. 4. Description of a chemical reaction in which there is a net absorption of energy
  3. 6. An ionic compound commonly formed from the reaction between an acid and a base
  4. 8. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration