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. Energy involved in gaining an electron to become a negative ion






2. Happens at lines in phase change charts






3. AX5E






4. E?s fill the lowest energy orbital first - then work their way up






5. Hydroxides are soluble or insoluble?






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






7. r=k[A]^2






8. Group 1 and heavier Group 2 bases






9. NO3¹?






10. 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)






11. AX3E2






12. Gas to liquid






13. These orbitals are diagonal






14. U(rms)=(3RT/M)^1/2






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






16. H+ Acceptor






17. Solid to gas






18. Half-life equation






19. (organics) double-bonded compound






20. (organics) six carbons






21. Mass/volume






22. Tools NEEDED for dilution






23. These orbitals are perpendicular






24. ClO4¹?






25. Ka=[products]^m/[reactants]^n






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






27. Gain of electrons - decrease in oxidation #






28. 0°C and 1 atm






29. Bomb Calorimeter






30. Negative enthalpy - heat flows into surroundings






31. Energy required for melting to occur






32. How to Find an Empirical Formula Given Grams






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






34. Color of Na (flame test)






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






36. Mol/L - concentration of a solution






37. R=






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






39. Substances that form OH- when dissolved in water; proton acceptors






40. C2O4²?






41. Matter can't be created nor destroyed






42. These orbitals are spherical






43. When gas compresses ...






44. Compound in which there is a bond between two non-metals; when naming them you use the numerical prefixes (may NOT be reduced i.e. S2F4 may not become SF2)






45. Ptotal=P1+P2+P3+...


46. If Q<Ksp






47. Significant Digits of counted things






48. Rate of Diffusion/Effusion formula






49. Energy (definition)






50. Amount of heat needed to change a system by 1°C