Physics

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Across
  1. 1. sheets of carbon with no bond between the sheets to hold them together
  2. 5. nuclear glue
  3. 9. no charge
  4. 10. called anti-matter
Down
  1. 2. many carbon forms three
  2. 3. negative charge
  3. 4. positive charge
  4. 6. hardest element
  5. 7. myteacher calls himself
  6. 8. any of a number of subatomic particles carrying a fractional electric charge