Hardest CHEM classes at UCSD

Ranked by average GPA from official grade distributions. Only courses with at least 100 graded students.

  1. CHEM 41B: Organic II: React & Synth Average GPA 2.64, 1,381 students
  2. CHEM 130: Chem Physics: Quantum Mech Average GPA 2.65, 820 students
  3. CHEM 131: Chem Physics: Stat Thermo I Average GPA 2.76, 834 students
  4. CHEM 41C: Organic Iii: Synthreact&macro Average GPA 2.79, 1,044 students
  5. CHEM 126: Physical Chem: Quantum Mech Average GPA 2.81, 470 students
  6. CHEM 4: Basic Chemistry Average GPA 2.82, 3,524 students
  7. CHEM 41A: Organic I: Struct & React Average GPA 2.83, 1,591 students
  8. CHEM 40A: Organic Chem for Life Sci I Average GPA 2.84, 15,850 students
  9. CHEM 126B: Phys Biochem: Quantum Mech Average GPA 2.84, 1,990 students
  10. CHEM 40B: Organic Chem for Life Sci II Average GPA 2.85, 15,247 students
  11. CHEM 132: Chem Physics: Stat Thermo Ii Average GPA 2.85, 668 students
  12. CHEM 120A: Inorganic Chemistry I Average GPA 2.86, 1,802 students
  13. CHEM 114A: Biochemical Structure&function Average GPA 2.90, 3,303 students
  14. CHEM 6B: General Chemistry II Average GPA 2.93, 21,659 students
  15. CHEM 127: Physical Chem: Thermodynamics Average GPA 2.94, 334 students
  16. CHEM 6A: General Chemistry I Average GPA 2.95, 29,079 students
  17. CHEM 40C: Organic Chemistry Iii Average GPA 2.95, 5,007 students
  18. CHEM 6C: General Chemistry III Average GPA 2.98, 17,694 students
  19. CHEM 114C: Biosynthesis of Macromolecules Average GPA 3.04, 2,411 students
  20. CHEM 120B: Inorganic Chemistry Ii Average GPA 3.04, 850 students
  21. CHEM 167: Medicinal Chemistry Average GPA 3.05, 907 students
  22. CHEM 157: Bioorganic & Natural Prod Chem Average GPA 3.05, 449 students
  23. CHEM 174: Chem Prin of Marine Systems Average GPA 3.08, 312 students
  24. CHEM 105A: Physical Chemistry Laboratory Average GPA 3.10, 1,493 students
  25. CHEM 11: The Periodic Table Average GPA 3.11, 4,164 students
  26. CHEM 7L: General Chemistry Laboratory Average GPA 3.12, 14,991 students
  27. CHEM 43A: Organic Chemistry Laboratory Average GPA 3.12, 12,474 students
  28. CHEM 172: Environmental Chemistry Ii Average GPA 3.16, 451 students
  29. CHEM 125: Bioinorganic Chemistry Average GPA 3.17, 164 students
  30. CHEM 114B: Biochem Energetics&metabolism Average GPA 3.19, 2,703 students
  31. CHEM 126A: Phys Biochem: Thermodynamics Average GPA 3.20, 1,958 students
  32. CHEM 111: Origins of Life & the Universe Average GPA 3.21, 256 students
  33. CHEM 12: Molecules and Reactions Average GPA 3.22, 329 students
  34. CHEM 100B: Instrumental Chemistry Lab Average GPA 3.23, 643 students
  35. CHEM 171: Environmental Chemistry I Average GPA 3.26, 745 students
  36. CHEM 154: Mechanisms/organic Reactions Average GPA 3.27, 264 students
  37. CHEM 6AH: Honors General Chemistry I Average GPA 3.29, 719 students
  38. CHEM 152: Synthetic Methods/organic Chem Average GPA 3.29, 297 students
  39. CHEM 143B: Organic Chemistry Lab Ii Average GPA 3.31, 1,551 students
  40. CHEM 143C: Organic Chemistry Laboratory Average GPA 3.31, 486 students
  41. CHEM 100A: Analytical Chemistry Lab Average GPA 3.32, 3,351 students
  42. CHEM 164: Structural Biology of Viruses Average GPA 3.32, 158 students
  43. CHEM 118: Pharmacology and Toxicology Average GPA 3.33, 2,089 students
  44. CHEM 168: Drug Synthesis and Design Average GPA 3.36, 1,571 students
  45. CHEM 173: Atmospheric Chemistry Average GPA 3.37, 493 students
  46. CHEM 116: Chemical Biology Average GPA 3.40, 482 students
  47. CHEM 7LM: General Chemistry Lab - Majors Average GPA 3.41, 971 students
  48. CHEM 96: Introductn to Teaching Science Average GPA 3.41, 217 students
  49. CHEM 6BH: Honors General Chemistry Ii Average GPA 3.43, 460 students
  50. CHEM 115: Genome Editing Average GPA 3.48, 120 students
  51. CHEM 6CH: Honors General Chemistry Iii Average GPA 3.49, 368 students
  52. CHEM 108: Protein Biochemistry Lab Average GPA 3.55, 1,898 students
  53. CHEM 40CH: Honors Organic Chemistry Iii Average GPA 3.59, 381 students
  54. CHEM 40BH: Honors Organic Chemistry Ii Average GPA 3.63, 360 students
  55. CHEM 109: Recombinant Dna Laboratory Average GPA 3.64, 1,797 students
  56. CHEM 113: Biophysical Chem of Macromolec Average GPA 3.68, 336 students
  57. CHEM 151: Molecules That Changed World Average GPA 3.75, 737 students
  58. CHEM 142: Intro to Glycosciences Average GPA 3.83, 603 students
  59. CHEM 117: Biomed Res in Hlth Disparities Average GPA 3.89, 239 students

See also: Easiest classes, UCSD course catalog, CHEM course catalog.

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