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AP Chemistry

Subjects : science, ap, chemistry
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Significant Digits of counted things

2. Electron pairs found in the space between the atoms

3. r=k

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

5. AX4E

6. Carboxylic acid ending

7. Type of system in which the energy may escape - but the mass is conserved

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

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

10. Molarity (M)

11. Ptotal=P1+P2+P3+...

12. The weighted average of all the isotopes that an atom can have (in g/mol)

13. Mixing of gases

14. (organics) seven carbons

15. Variable for type of orbital

16. 90 - d^2sp^3

17. Ionizes to produce OH- Ions

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

19. Reactant which doesn't get used up completely in a chemical reaction

20. The reactant that is being reduced - brings about oxidation

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

22. C2H3O2?

23. Thickness

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

25. How to Find an Empirical Formula Given Percentages

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

27. Energy needed to vaporize a mole of a liquid

28. (organics) eight carbons

29. ClO2?

30. Energy needed to break a bond

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

32. Reverse rxn occurs when

33. SO4?

34. Mass #

35. 1/[A] vs. time is a ...-order reaction

36. Organic w/ -OH group

37. Effusion of a gas is inversely proportional to the square root of the molar mass

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

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

40. High-speed electrons

41. Elements on staircase on periodic table

42. Diatomic Molecules

43. Average speed of gas

44. BrO3?

45. Average Kinetic Energy Formula

46. negative ion

47. ClO4?

48. Proton (symbol)

49. Energy can't be created nor destroyed

50. Heat needed to change 1 g of substance to 1C