Chemistry

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Across
  1. 5. the layer of the atmosphere that collects the harmful radiation and chemicals
  2. 6. Measurement that reflects the amount of matter
  3. 7. polyatomic ion composed of an element
  4. 8. Something man made and doesn't always occur in nature
  5. 10. numerical information
  6. 11. The study of matter and the changes it undergoes
  7. 13. known as a chemical matter that has a definite and uniform composition. Any element or compound
  8. 14. To gain knowledge for the sake of knowledge itself
  9. 15. a variable whos variation doesn't depend on anything
Down
  1. 1. The chemical formula for iconic unit
  2. 2. research undertaken tot solve a specific problem
  3. 3. A one atom ion such as mg2 or Br
  4. 4. visual, verbal, or mathematical explanation of experimental data
  5. 9. anything that has mass and takes up space
  6. 12. the amount of gravitational pull on matter