Test Your Chemistry Kowledge! Practice Quiz

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1. AB + CD --> AD + CB
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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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2. AB + H20 --> A + B
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3.  A + B --> AB + H2O
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4. Sum of all reactions in the body
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5. Metabolism provides for
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6. Break down of complex molecules and releases energy
example:
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7. Capacity to do work
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8. Energy of motion
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9. Stored energy resulting from position or structure
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10. Amount of energy needed to begin reaction
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11. Enzymes are ___
reduce energy of activation w/o being changed or used up
promotes chemical reactions
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12. Essential chemical compounds obtained from diet
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13. Molecules synthesized or broken down inside the body
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14. Everything is composed of ___ or ___
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15. Anything that takes up space or has mass
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16. Simplest type of matter with unique chemical properties. Compsed of atoms of one kind.
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17. Smallest particle of an element that has chemical characteristic of that element
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18. Atoms are made up of
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19. Weighing unit for measuring atoms ___ or ___
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20. Since isotopes are radioactive they can be used experimentally or clinically to ___ and ___ things
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21. Electrons determine
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22. Outermost electron shell determines the ____ of the element
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23. Most atoms have what type of charge
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24. Examples of atoms that give up electrons
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25. Atom or compound with a positive charge
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26. Atom or compound with a negative charge
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27. Chemical structure consisting of atoms held together by chemical bonds
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28. Substance composed of two or more elements
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29. Sum of atomic weigths of component atoms
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30. Three type of bonds
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31. Electric bond, attraction between cation and anion
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32. Ionic compound whose cation is not H and its anion is not OH
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33. Are ionic bonds strong or weak bonds?
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34. Soluble salt that will conduct an electric current in a solution
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35. Covalent bonds are ____ than ionic bonds
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36. Electrons are shared equally because nuclei attract the electrons equally (CO2)
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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.
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38. Weak forces that affect shape and properties of compounds
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39. Formed when H+ is attracted to the negative side of a polar molecule
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40. Uniform mixture of two or more substances
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41. Medium in which molecules of a solute are disperse
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42. Molecules that are easily dissolved in solvent
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43. Molarity
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44. Thick solutions usually of proteins or other large molecules
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45. Large molecules that are not in solution but will eventually settle out
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46. _____ is the universal solvent.  Makes up ___ of the body
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47. Mass in grams equal to the MW
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48. Percentage
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49. Measure of concentration of free hydrogen ions in solution
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50. As hydrogen ions ______, pH _____
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51. Blood pH
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52. Releases hydrogen ions into the solution; lowers pH
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53. Removes hydrogen ions from solution or adds OH; raises pH
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54. ____ acids and bases ionize completely
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55. ____ acids and bases do not completely ionize they act as buffers
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56. Substances that bind acid (H) and/or (OH) and prevent fluctuations in their free content
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57. PH < 7
pH = 7
pH > 7
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58. Maintains the pH of body fluids; removes or replaces hydrogen ions in a solution
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59. A + B --> AB
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60. AB --> A + B
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61. Synthesis of new molecules; uses energy
example:
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62. Common elements of the body
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63. Common isoptopes:
3H ____; ___ radioactive
14C used for _____
32P _____radioactive
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64. Bond where atoms share electrons
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65. Caused by electrons being unevenly distributed in neutral molecules
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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
Alert!

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