Chemistry Vocabulary

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Across
  1. 1. anything that has mass and takes up space
  2. 5. basic unit of matter
  3. 6. the center of an atom
  4. 7. the number of protons in the nucleus of an atom
  5. 9. a subatomic particle that has a negative charge
  6. 11. a subatomic particle that has no charge and is found in the nucleus of an atom
Down
  1. 2. a pure substance made of only one kind of atom
  2. 3. the study of the properties of matter and how matter changes
  3. 4. a subatomic particle that has a positive charge and is found in the n
  4. 8. a group of atoms bonded together
  5. 10. a grouping of electrons surrounding the nucleus of an atom