Test your basic knowledge |

AP Chemistry

Subjects : science, ap, chemistry
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. (N) number of equivalents per liter of solution






2. Amine prefix






3. Change in Energy = ? (in terms of constant pressure; for gasses)






4. Type of system in which the energy and mass may leave or enter






5. Energy required to break a bond






6. Organic w/ -O-






7. 120° - sp^2






8. A molecule having a center of positive charge and a center of negative charge






9. Phase change from gas to solid






10. Liquid to gas






11. Kinetic Energy per mol






12. Symbol for Total Heat absorbed or released






13. OH¹?






14. Ideal Gas Law Formula






15. Vapor pressure lowering - boiling point elevation - freezing point depression - osmotic pressure






16. (organics) one carbon






17. Pressure Units/Conversions






18. Increase Volume






19. Proton donors






20. (organics) eight carbons






21. An element with several different forms - each with different properties (i.e. graphite & diamond)






22. Happens at lines in phase change charts






23. When n=3 ->2 - color=






24. Within a sublevel - place one e? per orbital before pairing them

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25. Average Kinetic Energy Formula






26. Negative enthalpy - heat flows into surroundings






27. Where there are no electrons






28. Color of Cs (flame test)






29. Dalton's Law of Partial Pressures (to find partial pressure formula)






30. 1 sigma bond






31. Group 2 metals






32. 1 sigma bond - 1 pi bond






33. Different form of same element






34. Mass reactants= mass products






35. Elements which have unpaired electrons and highly affected by magnetic fields






36. Elements on staircase on periodic table






37. R in instances that pertain to energy






38. (organics) four carbons






39. AX5






40. A solution used in titrations whose concentration is known






41. A device in which chemical energy is changed to electrical energy






42. Color of Na (flame test)






43. Entropy in the universe is always...






44. Phase change from solid to gas






45. frequency symbol






46. ClO3²?






47. Amount of heat needed to change a system by 1°C






48. Ability of an atom in a molecule to attract shared electrons to itself






49. Diatomic Molecules






50. pH=