Science

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Across
  1. 3. atomic number 25
  2. 7. fills up any space
  3. 8. smallest unit of an element
  4. 9. negative charge
  5. 12. akilia metal with the atomic number 3
  6. 15. outermost layer
Down
  1. 1. atomic number 14
  2. 2. to compute data
  3. 4. portion of matter
  4. 5. chemical element with the atomic number of 5
  5. 6. universal force
  6. 10. nonmetallic metal with the atomic number of 7
  7. 11. element with the atomic number of
  8. 13. h20
  9. 14. heat