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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. Horizontals on the periodic table






2. Negative enthalpy - heat flows into surroundings






3. Mol/L - concentration of a solution






4. High-speed electrons






5. [A]0/2k






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






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






8. Verticals on the periodic table






9. Energy required for melting to occur






10. Oxidation # of Ions






11. Dalton's Law of Partial Pressures (to find partial pressure formula)






12. Molecules' tendency to stick to one another






13. ClO4¹?






14. Cl¹?






15. How to Find an Empirical Formula Given Percentages






16. Kinetic Energy is proportional to ______






17. Solution in flask being titrated






18. The reactant in the oxidizing reaction that forces the reduction reaction to occur






19. (organics) double-bonded compound






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






21. Type of system in which the energy and mass may leave or enter






22. Ionizes to produce OH- Ions






23. Speed of Diffusion/Effusion formula






24. H+ Acceptor






25. Ecell= E°cell -RT/nF x lnQ






26. Point at which vapor pressure=air pressure above






27. A monoatomic cation takes name from...






28. In covalent bonds - prefixes are used to tell...






29. Unusually strong dipole forces found when H is bonded to N - O - or F






30. Where reduction occurs






31. AX6






32. Carboxylic acid ending






33. Assumes that a molecule is composed of atoms that are bound together by sharing pairs of electrons using the atomic orbitals of the bound atoms






34. Group 2 metals






35. Mols A/ total mols - XA






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






37. 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)






38. Pairs of electrons localized on an atom






39. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)






40. A molecule having a center of positive charge and a center of negative charge






41. ClO3²?






42. 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






43. Symbol for Total Heat absorbed or released






44. When n=5 ->2 - color=






45. The transfer of energy between two objects due to temperature difference






46. Like dissolves...






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






48. Where there are no electrons






49. Gas to liquid






50. Within a sublevel - place one e? per orbital before pairing them

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