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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. Increase Pressure






2. (organics) one carbon






3. Significant Digits of Conversion Factors






4. For significant digits - leading zeros ____ significant






5. High-speed electrons






6. Compound in which there is a bond between a metal and a non-metal; when naming - pay attention to ionic charges on periodic table (may be reduced)






7. Instrument used to measure the pressure of atmospheric gas






8. Proton acceptors - must have an unshared pair of e?s






9. Puts OH? into solution






10. Raoult's Law - relations between vapor pressure and concentrations






11. What is defined by you taken from the whole universe






12. Ketone suffix






13. AX2E - AX2E2






14. Reactant which doesn't get used up completely in a chemical reaction






15. Half-life equation






16. Occupies the space above and below a sigma bond






17. Proton (symbol)






18. If a system @equilibrium is stressed - the system will shift so as to reestablish equilibrium

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19. Point at which liquid?gas occurs






20. The energy required to raise 1 g of substance 1 degree C






21. ClO3²?






22. Temperature-pressure point after which gas can no longer form liquid






23. The amount of energy/heat required to raise some substance 1 degree C






24. A device used to measure Delta H






25. When _____ significant digits - round answer to least significant digit






26. Gas to liquid






27. 1 sigma bond






28. Phase change from gas to solid






29. Oxidation # of Ions






30. Pairs of electrons localized on an atom






31. Elements which have all electrons paired and relatively unaffected by magnetic fields






32. When ____ significant digits - round answer to least decimal place






33. C2O4²?






34. Dirrect Method Formula






35. Unusually strong dipole forces found when H is bonded to N - O - or F






36. When two elements form a series of compounds - the ratios of the masses of the second element that combine with 1g of the first element can always be reduced to whole numbers






37. Composition Formula






38. (organics) four carbons






39. [A] vs. time is a ...-order reaction






40. Osmotic pressure=MRT






41. R=






42. Point at which the titrated solution changes color






43. 180° - sp






44. Positive ion






45. AX2 - AX2E3






46. Moles of solute/volume of soln(L)






47. Volume of gas @STP






48. # bonding e- - # antibonding e-/2






49. Verticals on the periodic table






50. C2H3O2¹?







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