Test your basic knowledge |

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. Color of Ca (flame test)






2. Kinetic Energy per molecule






3. 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)






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






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






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






7. negative ion






8. 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)






9. Heat needed to change 1 g of substance to 1°C






10. Boiling point elevation formula






11. Symbol for Total Heat absorbed or released






12. Puts OH? into solution






13. Cation first - anion second






14. Positive enthalpy - heat flows into system






15. I=moles of particles/moles of solute dissolved

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16. A measure of randomness or disorder






17. Average Kinetic Energy Formula






18. Variable for spin of electron (+.5 or -.5)






19. Electrons in a hydrogen atom move around the nucleus only in circular orbits






20. (N) number of equivalents per liter of solution






21. Wavelength symbol






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






23. PO4³?






24. AX5E






25. Significant Digits of Conversion Factors






26. Oxidation # of Oxygen






27. The reactant in the reduction reaction that forces the oxidation reaction to occur






28. Freezing point depression formula






29. Significant Digits of counted things






30. Oxidation # of Hydrogen






31. All _________ compounds are electrolytes






32. Phase change from solid to gas






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






34. AX3E2






35. The total energy of the universe is constant - all systems tend towards minimum energy






36. Energy needed to break a bond






37. Solution used in titration






38. l=2






39. AX5E






40. Elements in groups 3-12






41. Weakest IMFs - found in all molecules






42. The weighted average of all the isotopes that an atom can have (in g/mol)






43. Color of Li (flame test)






44. For significant digits - leading zeros ____ significant






45. Describe various properties of one orbital






46. Passage of gas through tiny orifice






47. Organic w/ -OH group






48. Force acting over distance






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






50. Melting