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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. AX6






2. Verticals on the periodic table






3. l=1






4. Freezing point depression formula






5. ClO3²?






6. frequency symbol






7. In ideal gas law problem - when it says "atmospheric" ...






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






9. q cal = ?






10. Effusion of a gas is inversely proportional to the square root of the molar mass

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11. 1 sigma bond - 1 pi bond






12. Heat capacity formula






13. AX6






14. l=2






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






16. A measure of randomness or disorder






17. Wavelength symbol






18. A monoatomic anion is named by taking...






19. O²?






20. 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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21. A measure of resistance of an object to a change in its state of motion






22. 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






23. negative ion






24. 760mmHg/Torr






25. The intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneous dipoles






26. Speed of light - C






27. % yield






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






29. Donates a single H+ Ion (... other prefixes also)






30. How fast or slow a reaction occurs - becomes slower as it reaches equilibrium






31. Organic w/ -O-






32. (organics) ten carbons






33. Ptotal=P1+P2+P3+...

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34. Similar to atomic orbitals - except between molecules






35. C=2.9979*10^8 m/s






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






37. Spectrum of light when an electron drops to energy level n=2






38. Mass #






39. 180° - sp






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






41. Degree of disorder in a system






42. 0°C and 1 atm






43. How to Balance a Redox Equation






44. ... compounds are most conductive






45. Releases/gives off heat (negative value)






46. NO2¹?






47. STP






48. In going from a particular set of reactants to a particular set of products - the change in enthalpy is the same whether the reaction takes place in one step or in a series of steps

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49. If anion ends in -ide - acid name ends in






50. Function in which it doesn't matter HOW the changes take place - only that they do; you can use to formula Final - Initial ( i.e. energy - pressure - volume - temperature - sort of moles)