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






2. Hydroxides are soluble or insoluble?






3. 120° - sp^2






4. A method of investigation involving observation and theory to test scientific hypotheses






5. These orbitals are diagonal






6. Higher in energy than the atomic orbitals of which it is composed






7. 6.022x10^23






8. Everything in the universe that is not defined by you as part of the system






9. Puts H? into solution






10. Increase Pressure






11. 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)






12. Organic w/ -NH2






13. ClO2¹?






14. Half cell in which oxidation occurs






15. Variable for type of orbital






16. Amount of gravitational force exerted on an object






17. Polyatomic Ions (bonding)






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






19. Has values from -l to l - including zero; tells orientation of the orbital relative to other orbitals






20. AP doesn't deal with ...-order reaction - don't pick it!






21. A solid or gas that can be formed when 2 or more aqueous reactants come together






22. Solution used in titration






23. K=[C]^l[D]^m/[A]^j[B]^k; products/reactants; solids don't count






24. Larger molecules which have higher mass and therefore electron density have stronger...






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






26. Matter can't be created nor destroyed






27. Chemical composition of dry ice






28. The total entropy is always increasing - all systems tend towards maximum entropy






29. 1 sigma bond - 1 pi bond






30. ln[A] vs. time is a ...-order reaction






31. Anions or cations as needed to produce a compound with non net charge






32. Positive ion






33. Mol/L - concentration of a solution






34. (organics) ten carbons






35. Oxidation # of Polyatomic Ions






36. Elements in groups 3-12






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






38. Pairs of electrons localized on an atom






39. Type of system in which the energy may escape - but the mass is conserved






40. Variable for energy of e- - goes from 1 -2 -3 on up






41. Like dissolves...






42. AX4E






43. R in ideal gas law






44. Degree of disorder in a system






45. All (though really not all - but for our purposes all) ________ compounds are NOT electrolytes






46. Actual Yield/Theoretical Yield*100%






47. Osmotic pressure formula






48. If Q>Ksp






49. Organic w/ -OH group






50. AX4E2






Can you answer 50 questions in 15 minutes?



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