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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. PV=nRT






2. l=1






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






4. 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


5. For significant digits - leading zeros ____ significant






6. Polyatomic Ions (bonding)






7. Osmotic pressure=MRT






8. Weakest IMFs - found in all molecules






9. When n=4 ->2 - color=






10. Point at which solid?liquid occurs






11. q rxn = ?






12. Two molecules with identical connectivity but different geometries






13. Atomic #






14. Proton donors






15. 120° - sp^2






16. #NAME?






17. Color of Sr (flame test)






18. x can be ignored when % ionization is <5%






19. Volume of gas @STP






20. A weak acid that changes color at or near the equivalence point






21. When n=6 ->2 - color=






22. AX4E2






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






24. Variable for orientation of orbital (-1 through +1)






25. kb of water






26. (organics) six carbons






27. Transition metals with ammonia - hydroxide - cyanide or thiocyanate form...






28. Freezing point depression formula






29. Mol of solute/kg of solvent






30. ?Hsoln=?H1+?H2+?H3+...






31. Change in moles (An) =?






32. (A) - C/s






33. Boiling point elevation formula






34. % yield






35. AX4E2






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






37. (organics) ten carbons






38. Mixing of gases






39. (organics) three carbons






40. Ether prefix






41. C2O4²?






42. 1.Volume of individual particles can be assumed to be zero 2.The particles are in constant motion - which causes pressure 3.Particles exert no forces on each other 4.The average kinetic energy of the particles is directly affected by temperature(K)






43. Colors of Reaction when (MnO4 -) --> (Mn2+)






44. Kinetic Energy of an individual particle formula






45. Involves quantum numbers






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


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






48. The chemical formed when an acid donates a proton






49. kf of water






50. HCl - HBr - HI - HNO3 - HClO4 - H2SO4