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