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. Theoretical yield-experimental yield/theoretical yieldx100






2. Elements on staircase on periodic table






3. Energy can't be created nor destroyed






4. For colligative properties for electrolytes - the # of mols of ions/ mols of solute


5. How to Find an Empirical Formula Given Percentages






6. [A]0/2k






7. Neutralization Reaction (general format) (net ionic of which is always (H+) + (OH-) --> (H2O))






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






9. 0.00°C - 1 atm






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






11. Matter can't be created nor destroyed






12. Reactant that's completely used up in a chemical reaction






13. Isotope






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






15. pH=






16. For significant digits - leading zeros ____ significant






17. 1.Calculate moles of each atom in molecule 2.Divide each mole number by smallest mole number 3.If necessary - multiply every mole number to get a whole number 4.Moles of each atom is subscript in empirical formula






18. Describe various properties of one orbital






19. High-energy light






20. The heat changed in a chemical reaction.






21. Anything occupying space and with mass






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






23. This MUST be determined experimentally






24. l=2






25. Speed of Diffusion/Effusion formula






26. Horizontals on the periodic table






27. Calculation from K to C






28. Tools NEEDED for dilution






29. (# of lone pair e-)+1/2(# of shared e-)






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






31. Expresses how the concentrations depend on time






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






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






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






35. PV=nRT






36. Energy (definition)






37. A neutral molecule/ion having a lone e- pair that can be used to form a bond to a metal ion






38. Bomb Calorimeter






39. Point at which solid?liquid occurs






40. Hydroxides are soluble or insoluble?






41. C2O4²?






42. Symbol for the heat absorbed or lost molecularly (PER MOLE)






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






44. Point at which liquid?gas occurs






45. (organics) eight carbons






46. AX6






47. Ionizes to produce H+ ions






48. Energy required for melting to occur






49. MnO4¹?






50. kf of water