Atoms

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Across
  1. 3. Has a trunk
  2. 5. middle of a nucleus
  3. 8. Center of an Atom
  4. 9. takes up space
  5. 10. Man's best friend
Down
  1. 1. Likes to chase mice
  2. 2. Large marsupial
  3. 4. middle of a nucleus
  4. 6. table
  5. 7. Flying mammal