science

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Across
  1. 2. what neutral makes up the nucleus
  2. 3. a substance that produces hydrogen ions when added to water
  3. 4. the process of oxidization
  4. 7. what is the most common acid
  5. 9. what is around the outside of an atom
  6. 10. what baking product can be used as a base
  7. 11. what is in the middle of an atom
Down
  1. 1. this product is has citric acid in it
  2. 3. the building blocks of matter
  3. 5. a group of atoms with an electric charge
  4. 6. this product is made of hydrogen and oxygen and is a neutral
  5. 8. a substance that forms hydroxide ions when dissolved in water