Chemistry

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Across
  1. 4. The scientist that first arranged the periodic table
  2. 5. A metal oxide or hydroxide
  3. 6. How many hydrogen atoms are in a molecule of water?
  4. 8. The amount of matter in an object
  5. 9. Describes a solution with a pH greater than 7
Down
  1. 1. The only element capable of killing Superman
  2. 2. Used to blow up balloons
  3. 3. Building block of life
  4. 4. Good conductor of electricity
  5. 7. Mr. Rosner's dogs name