ion

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Across
  1. 1. the opposite of multiplication
  2. 5. to revise
  3. 6. something colliding with something
  4. 7. the end of something
  5. 8. the next bit of work
Down
  1. 2. something hanging off something
  2. 3. to be precise
  3. 4. to decide from 2 things
  4. 9. what happens with TNT
  5. 10. being immersed