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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. Puts H? into solution






2. Variable for energy of e- - goes from 1 -2 -3 on up






3. Polyatomic Ions (bonding)






4. High-energy light






5. Liquid to gas






6. Ptotal=Pa+Pb+Pc....

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7. A single substance that may be an acid or a base (i.e. water)






8. Ability of an atom in a molecule to attract shared electrons to itself






9. Aldehyde suffix






10. A solution that resists a change in pH - contains both a weak acid and its conjugate base






11. 101 -325 Pa






12. States molecules at a given temp. vary in kinetic energy along a bell-curve of molecular velocities






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






14. HF+ OH??H2O






15. AX5E






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






17. If K>1 - then Gº<0 and reaction will be...at chemical equilibrium






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






19. Releases/gives off heat (negative value)






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






21. Peak of energy diagram






22. (organics) six carbons






23. C2H3O2¹?






24. I¹?






25. Thickness






26. Group 1 metals






27. Work = ?






28. Change that occurs at constant temperature






29. Substance being dissolved in a solution (lower [ ])






30. 96 -485 C/mol e-






31. Has values from 0 to (n-1); tells shape of atomic orbitals






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






33. Carbon & hydrogen compounds






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

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35. Absorbs/takes in heat (positive value)






36. Different form of same element






37. (organics) ten carbons






38. =vM2/M1






39. AX2E - AX2E2






40. Amount of gravitational force exerted on an object






41. Electron pairs found in the space between the atoms






42. CrO4²?






43. Oxidation # of Halogens






44. Color of K (flame test)






45. A solution that resists a change in its pH






46. Mol/L - concentration of a solution






47. Oxidation # of Compounds






48. If anion ends in -ide - acid name ends in






49. If needed - indicate charge of metal(cation) by...






50. 760 mmHg - 760 torr