Geometry & Chemistry

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Across
  1. 3. two angles that add up to 90 degrees
  2. 4. symbol for Dinitrogen Tetraoxide
  3. 5. the middle of a line segment, creates two equal parts
  4. 7. symbol for Gold Chloride
  5. 11. types of angles that are adjacent to each other and add up to 180 degrees
  6. 12. two lines that intersect to create 90 degree angles
  7. 13. two lines that never intersect
  8. 14. atomic mass of Oxygen
Down
  1. 1. line or line segment that is perpendicular and passes through the midpoint of another line segment
  2. 2. symbol for Calcium Carbonate
  3. 6. symbol for sodium chloride
  4. 7. line or line segment that separates an angle into two equal parts
  5. 8. two angles that add up to 180 degrees
  6. 9. name of PbCl
  7. 10. the first two columns of the periodic table