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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. Cr2O7²?






2. A solution that resists a change in pH - contains both a weak acid and its conjugate base






3. Color of K (flame test)






4. When gas compresses ...






5. Half-life equation






6. Osmotic pressure=MRT






7. Energy (definition)






8. Verticals on the periodic table






9. negative ion






10. Solid to gas






11. F¹?






12. 0°C and 1 atm






13. Gain of electrons - decrease in oxidation #






14. l=2






15. SO3²?






16. STP






17. Boiling point elevation formula






18. 2 or more covalently bonded atoms






19. Amount of gravitational force exerted on an object






20. SI unit of energy; Kg*m^2/s^2






21. AX2E - AX2E2






22. For significant digits - leading zeros ____ significant






23. Energy needed to break a bond






24. ClO4¹?






25. A solution used in titrations whose concentration is known






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






27. States molecules at a given temp. vary in kinetic energy along a bell-curve of molecular velocities






28. Electron (symbol)






29. The entropy of a pure perfectly formed crystal @0K is 0






30. Ester suffix






31. Ionizes to produce H+ ions






32. Raising heat - adding catalyst - heighten concentration - bigger surface area






33. If Q<Ksp






34. Formula used when diluting stock solution (to find amount of water or stock needed)






35. Substances that form H+ when dissolved in water; proton donors






36. Color of Ca (flame test)






37. Significant Digits of Conversion Factors






38. Pressure Units/Conversions






39. Mol/L - concentration of a solution






40. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals

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41. If heat capacity isn't mentioned - you can assume that q of cal is = ?






42. In a given atom no two electrons can have the same set of four quantum numbers






43. Speed per molecule of gas






44. Like dissolves...






45. If anion ends in -ite - acid name ends in...






46. Substance that - when dissolved - is conductive






47. Mass percent






48. I¹?






49. Increase Pressure






50. R=