Test Your Chemistry Kowledge! Practice Quiz

65 Questions | By Jwendeli | Updated: Mar 15, 2022 | Attempts: 540

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Test Your Chemistry Kowledge! Practice Quiz - Quiz

This quiz is absolutely perfect for those of us who are willing to test all we know about chemistry. The earth is full of chemicals, and they have their own individual properties too. Are you willing to see just how knowledgeable you are when it comes to this field? Take... see moreup this test and get to find out for sure. see less

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AB + CD --> AD + CB

AB + H20 --> A + B

A + B --> AB + H2O

Sum of all reactions in the body

Metabolism provides for

Break down of complex molecules and releases energyexample:

Capacity to do work

Energy of motion

Stored energy resulting from position or structure

Amount of energy needed to begin reaction

Enzymes are ___reduce energy of activation w/o being changed or used...

Essential chemical compounds obtained from diet

Molecules synthesized or broken down inside the body

Everything is composed of ___ or ___

Anything that takes up space or has mass

Simplest type of matter with unique chemical properties. Compsed of...

Smallest particle of an element that has chemical characteristic of...

Atoms are made up of

Weighing unit for measuring atoms ___ or ___

Since isotopes are radioactive they can be used experimentally or...

Electrons determine

Outermost electron shell determines the ____ of the element

Most atoms have what type of charge

Examples of atoms that give up electrons

Atom or compound with a positive charge

Atom or compound with a negative charge

Chemical structure consisting of atoms held together by chemical bonds

Substance composed of two or more elements

Sum of atomic weigths of component atoms

Three type of bonds

Electric bond, attraction between cation and anion

Ionic compound whose cation is not H and its anion is not OH

Are ionic bonds strong or weak bonds?

Soluble salt that will conduct an electric current in a solution

Covalent bonds are ____ than ionic bonds

Electrons are shared equally because nuclei attract the electrons...

Electrons not shared equally because one nucleus attracts the...

Weak forces that affect shape and properties of compounds

Formed when H+ is attracted to the negative side of a polar molecule

Uniform mixture of two or more substances

Medium in which molecules of a solute are disperse

Molecules that are easily dissolved in solvent

Molarity

Thick solutions usually of proteins or other large molecules

Large molecules that are not in solution but will eventually settle...

_____ is the universal solvent. Makes up ___ of the body

Mass in grams equal to the MW

Percentage

Measure of concentration of free hydrogen ions in solution

As hydrogen ions ______, pH _____

Blood pH

Releases hydrogen ions into the solution; lowers pH

Removes hydrogen ions from solution or adds OH; raises pH

____ acids and bases ionize completely

____ acids and bases do not completely ionize they act as buffers

Substances that bind acid (H) and/or (OH) and prevent fluctuations in...

PH < 7pH = 7pH > 7

Maintains the pH of body fluids; removes or replaces hydrogen ions in...

A + B --> AB

AB --> A + B

Synthesis of new molecules; uses energyexample:

Common elements of the body

Common isoptopes:3H ____; ___ radioactive14C used for _____32P...

Bond where atoms share electrons

Caused by electrons being unevenly distributed in neutral molecules

Test Your Chemistry Kowledge! Practice Quiz

1. AB + CD --> AD + CB

2.

What first name or nickname would you like us to use?

2. AB + H20 --> A + B

3. A + B --> AB + H2O

4. Sum of all reactions in the body

5. Metabolism provides for

6. Break down of complex molecules and releases energyexample:

7. Capacity to do work

8. Energy of motion

9. Stored energy resulting from position or structure

10. Amount of energy needed to begin reaction

11. Enzymes are ___reduce energy of activation w/o being changed or used uppromotes chemical reactions

12. Essential chemical compounds obtained from diet

13. Molecules synthesized or broken down inside the body

14. Everything is composed of ___ or ___

15. Anything that takes up space or has mass

16. Simplest type of matter with unique chemical properties. Compsed of atoms of one kind.

17. Smallest particle of an element that has chemical characteristic of that element

18. Atoms are made up of

19. Weighing unit for measuring atoms ___ or ___

20. Since isotopes are radioactive they can be used experimentally or clinically to ___ and ___ things

21. Electrons determine

22. Outermost electron shell determines the ____ of the element

23. Most atoms have what type of charge

24. Examples of atoms that give up electrons

25. Atom or compound with a positive charge

26. Atom or compound with a negative charge

27. Chemical structure consisting of atoms held together by chemical bonds

28. Substance composed of two or more elements

29. Sum of atomic weigths of component atoms

30. Three type of bonds

31. Electric bond, attraction between cation and anion

32. Ionic compound whose cation is not H and its anion is not OH

33. Are ionic bonds strong or weak bonds?

34. Soluble salt that will conduct an electric current in a solution

35. Covalent bonds are ____ than ionic bonds

36. Electrons are shared equally because nuclei attract the electrons equally (CO2)

37. Electrons not shared equally because one nucleus attracts the electrons more than the other does. One side of molecule has a more negative charge and one has a more positive charge.

38. Weak forces that affect shape and properties of compounds

39. Formed when H+ is attracted to the negative side of a polar molecule

40. Uniform mixture of two or more substances

41. Medium in which molecules of a solute are disperse

42. Molecules that are easily dissolved in solvent

43. Molarity

44. Thick solutions usually of proteins or other large molecules

45. Large molecules that are not in solution but will eventually settle out

46. _____ is the universal solvent. Makes up ___ of the body

47. Mass in grams equal to the MW

48. Percentage

49. Measure of concentration of free hydrogen ions in solution

50. As hydrogen ions ______, pH _____

51. Blood pH

52. Releases hydrogen ions into the solution; lowers pH

53. Removes hydrogen ions from solution or adds OH; raises pH

54. ____ acids and bases ionize completely

55. ____ acids and bases do not completely ionize they act as buffers

56. Substances that bind acid (H) and/or (OH) and prevent fluctuations in their free content

57. PH < 7pH = 7pH > 7

58. Maintains the pH of body fluids; removes or replaces hydrogen ions in a solution

59. A + B --> AB

60. AB --> A + B

61. Synthesis of new molecules; uses energyexample:

62. Common elements of the body

63. Common isoptopes:3H ____; ___ radioactive14C used for _____32P _____radioactive

64. Bond where atoms share electrons

65. Caused by electrons being unevenly distributed in neutral molecules

6. Break down of complex molecules and releases energy
example:

11. Enzymes are ___
reduce energy of activation w/o being changed or used up
promotes chemical reactions

14. Everything is composed of _ or _

19. Weighing unit for measuring atoms _ or _

20. Since isotopes are radioactive they can be used experimentally or clinically to _ and _ things

46. ___ is the universal solvent. Makes up _ of the body

50. As hydrogen ions __, pH _

57. PH < 7
pH = 7
pH > 7

61. Synthesis of new molecules; uses energy
example:

63. Common isoptopes:
3H __; _ radioactive
14C used for _
32P _radioactive