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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. Atomic #






2. Like dissolves...






3. If anion ends in -ite - acid name ends in...






4. Mol/L - concentration of a solution






5. Horizontals on the periodic table






6. Color of Li (flame test)






7. 2+ charge






8. PV=nRT






9. (organics) five carbons






10. Involves quantum numbers






11. All _________ compounds are electrolytes






12. ClO2¹?






13. Atoms with the same number of protons but a different number of neutrons






14. Substance that - when dissolved - is conductive






15. All (though really not all - but for our purposes all) ________ compounds are NOT electrolytes






16. Speed of Diffusion/Effusion formula






17. Rate of Diffusion/Effusion formula






18. Two molecules with identical connectivity but different geometries






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






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






21. Group 1 metals






22. Oxidation # of Ions






23. Non-Ideal Gas Conditions






24. Proton (symbol)






25. Oxidation # of Polyatomic Ions






26. Color of Cs (flame test)






27. The driving force for a spontaneous is an increase in entropy of the universe






28. In a titration - the point where moles of acid are equal to moles of base (just before the indicator changes color)






29. 1 sigma bond - 1 pi bond






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






31. Dirrect Method Formula






32. 109.5° - sp^3






33. The mixing of native atomic orbitals to form special orbitals for bonding






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

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35. All forms of energy except for heat






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






37. C2H3O2¹?






38. A solution that resists a change in its pH






39. A solid or gas that can be formed when 2 or more aqueous reactants come together






40. Connects the 2 half cells in a voltaic cell






41. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






42. The amount of energy/heat required to raise some substance 1 degree C






43. Happens at lines in phase change charts






44. (# of valence e- on free atom) - (# of valence e- assigned to atom in molecule)






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






46. Energy required for liquid?gas






47. As protons are added to the nucleus - electrons are similarly added






48. (organics) single-bonded compound






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






50. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)







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Can you answer 50 questions in 15 minutes?


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