Chemistry Mid-term Exam Practice Test

67 Questions  I  By Valletita
Please take the quiz to rate it.

 Chemistry Mid-term Exam Practice Test
End of semester quiz for high school chemistry

  
Changes are done, please start the quiz.


Questions and Answers

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
  • 1. 
    convert 20g to kg
    • A. 

      2000kg

    • B. 

      20000kg

    • C. 

      0.20kg

    • D. 

      0.020kg


  • 2. 
    2. convert 23 ml to liters
    • A. 

      0.023L

    • B. 

      230L

    • C. 

      230000L

    • D. 

      23000L


  • 3. 
    3. convert 18 km to mm
    • A. 

      18000mm

    • B. 

      0.0018mm

    • C. 

      18000000mm

    • D. 

      1.80mm


  • 4. 
    4. convert 88 kg to mg
    • A. 

      8.8mg

    • B. 

      88000mg

    • C. 

      0.0000088mg

    • D. 

      88000000mg


  • 5. 
    5. convert 23.6 cm to mm
    • A. 

      2.36mm

    • B. 

      236mm

    • C. 

      0.236mm

    • D. 

      0.0236mm


  • 6. 
    6. define matter
    • A. 

      The smallest particle of an element

    • B. 

      The smallest particles on earth

    • C. 

      Anything that have mass and occupy space

    • D. 

      A positively charge particle


  • 7. 
    7. name the three states of matter
    • A. 

      Protons, neutrons, and electrons

    • B. 

      Metals, non-metals, and metalloids

    • C. 

      Solid, liqui, and gas

    • D. 

      Freezing, melting, and evaporation


  • 8. 
    8. explain what happens to the molecules in matter when it is Heated
    • A. 

      Molecules move close together

    • B. 

      Molecules split

    • C. 

      Molecules move farther apart

    • D. 

      Molecules evaporate


  • 9. 
    9. What instruments do we use to measure volume
    • A. 

      Thermometer

    • B. 

      Graduated cylinder

    • C. 

      Scale

    • D. 

      Ruler


  • 10. 
    10. What instruments do we use to measure mass
    • A. 

      Graduated cylinder

    • B. 

      Thermometer

    • C. 

      Beaker

    • D. 

      Scale


  • 11. 
    11. What instruments do we use to measure density
    • A. 

      Scale and thermometer

    • B. 

      Scale and stop watch

    • C. 

      Graduated cylinder and ruler

    • D. 

      Graduated cylinder and scale


  • 12. 
    12. what SI unit is used to measure volume
    • A. 

      Grams

    • B. 

      Kilometer

    • C. 

      Liters

    • D. 

      Degree celcius


  • 13. 
    13. properties that cannot be observed with the five senses are called
    • A. 

      Sub-microscopic properties

    • B. 

      Macroscopic properties

    • C. 

      Physical properties

    • D. 

      Biological properties


  • 14. 
    14. a substance consisting of two elements chemically combined is known as
    • A. 

      Mixture

    • B. 

      Solution

    • C. 

      Element

    • D. 

      Compound


  • 15. 
    15. a mixture that separate into two visible phases is known as
    • A. 

      Solution

    • B. 

      Heterogeneous mixture

    • C. 

      Homogeousmixture

    • D. 

      Compound


  • 16. 
    16. a postitive charge particle found in the nucleus is called
    • A. 

      Neutron

    • B. 

      Proton

    • C. 

      Electron

    • D. 

      Atom


  • 17. 
    17. a change from liquid to solid is called
    • A. 

      Melting

    • B. 

      Boiling

    • C. 

      Freezing

    • D. 

      Condensation


  • 18. 
    18. a change from liquid to gas is known as
    • A. 

      Condensation

    • B. 

      Melting

    • C. 

      Sublimation

    • D. 

      Evaporation


  • 19. 
    19. a change from gas to liquid is called
    • A. 

      Sublimation

    • B. 

      Evaporation

    • C. 

      Freezing

    • D. 

      Condensation


  • 20. 
    20. a mixture of sand and iron particles can be separated by
    • A. 

      Distillation

    • B. 

      Magnetism

    • C. 

      Decantation

    • D. 

      Filtration


  • 21. 
    21. a mixture of salt and water can be separated by
    • A. 

      condensation

    • B. 

      Filtration

    • C. 

      Crystalization

    • D. 

      Distillation


  • 22. 
    22. a mixture of sand and water can be separated by
    • A. 

      Filtration

    • B. 

      Evaporation

    • C. 

      Distilation

    • D. 

      Crystalization


  • 23. 
    23. a mixture of peroxide and water can be separated by
    • A. 

      Evaporation

    • B. 

      Sublimation

    • C. 

      Decantation

    • D. 

      Distilation


  • 24. 
    24. Burning wood is an example of
    • A. 

      Physical change

    • B. 

      Chemical change


  • 25. 
    25. baking cake is classified as
    • A. 

      Physical change

    • B. 

      Chemical change


  • 26. 
    26. melting candle wax is classified as
    • A. 

      Physical change

    • B. 

      Chemical change


  • 27. 
    27. disolving salt in water is classified as
    • A. 

      Physical change

    • B. 

      Chemical change


  • 28. 
    28. breaking class is classified as
    • A. 

      Physical change

    • B. 

      Chemical change


  • 29. 
    29. rusting is classified as
    • A. 

      Physical change

    • B. 

      Chemical change


  • 30. 
    30. molecules in a solid are arranged as follows
    • A. 

      Spaced out and free to slide over each other

    • B. 

      Very space out anf free to move from one ean to another

    • C. 

      Packed together and can only vibrate

    • D. 

      Non of the above


  • 31. 
    31. water is an example of
    • A. 

      Compound

    • B. 

      Element

    • C. 

      Atom

    • D. 

      Mixture


  • 32. 
    33. In the periodic a group of family is described as
    • A. 

      Horizontal rows

    • B. 

      Diagonal rows

    • C. 

      Vertical columns

    • D. 

      Non of the above


  • 33. 
    34. period go from
    • A. 

      Top to bottom

    • B. 

      Left to right


  • 34. 
    35. the symbol of magnesium is
    • A. 

      Mn

    • B. 

      M

    • C. 

      Mo

    • D. 

      Mg


  • 35. 
    36. the symbol of copper is
    • A. 

      Co

    • B. 

      Cu

    • C. 

      C

    • D. 

      Cp


  • 36. 
    37. what is the name of the element with symbol Sr
    • A. 

      Sodium

    • B. 

      Silicon

    • C. 

      Scandium

    • D. 

      Strontium


  • 37. 
    38. in what period does iodine belong to
    • A. 

      5

    • B. 

      4

    • C. 

      3

    • D. 

      2

    • E. 

      1


  • 38. 
    39. in what group does sulfur belong to
    • A. 

      2

    • B. 

      13

    • C. 

      15

    • D. 

      16

    • E. 

      17


  • 39. 
    40. an example of a transition element is
    • A. 

      Sodium

    • B. 

      Scandium

    • C. 

      Aluminum

    • D. 

      Argon


  • 40. 
    41. an example of alkali metal is
    • A. 

      K

    • B. 

      Ca

    • C. 

      P

    • D. 

      Cl

    • E. 

      Au


  • 41. 
    42. an example of a noble gas is
    • A. 

      N

    • B. 

      Na

    • C. 

      Ne

    • D. 

      No


  • 42. 
    43. an example of a hallogen is
    • A. 

      Ca

    • B. 

      Co

    • C. 

      Br

    • D. 

      S


  • 43. 
    44. the electron configuration of phosphorus is
    • A. 

      2,8,1

    • B. 

      2,8,4

    • C. 

      2,8,7

    • D. 

      2,8,5


  • 44. 
    45. electron in the outer shell is called
    • A. 

      Bonding electon

    • B. 

      Tranfered electron

    • C. 

      Valence electron

    • D. 

      All of the above


  • 45. 
    How many valence electron are present in an oxygen atom
    • A. 

      4

    • B. 

      5

    • C. 

      6

    • D. 

      7

    • E. 

      8


  • 46. 
    47. which of the following pair belong in the same group
    • A. 

      Na and Ca

    • B. 

      Si and Al

    • C. 

      C, Ge

    • D. 

      S, Cl


  • 47. 
    48. Where are the most active metals located?
    • A. 

      Upper right hand side

    • B. 

      Bottom left hand side

    • C. 

      Upper lefthand side

    • D. 

      Bottom right hand side


  • 48. 
    49. As you go from left to right across a period, the atomic size
    • A. 

      Increases

    • B. 

      Decreases

    • C. 

      Stay thesame


  • 49. 
    50. As you travel down a group, the atomic size
    • A. 

      Increases

    • B. 

      Decreases

    • C. 

      Stay thesame


  • 50. 
    51. Elements within a group have a similar number of
    • A. 

      Shells

    • B. 

      Electrons

    • C. 

      Valence electrons

    • D. 

      Atomic mass


  • 51. 
    52. Elements across a period have the same number of
    • A. 

      Shells

    • B. 

      Valence electrons

    • C. 

      Atomic mass

    • D. 

      Protons


  • 52. 
    53. An element with both metallic and nonmetallic properties is called
    • A. 

      Transition element

    • B. 

      Noble gas

    • C. 

      Very reactive element

    • D. 

      Metalloid


  • 53. 
    54. who discovered the electron
    • A. 

      Laviosier

    • B. 

      JJ Thonsom

    • C. 

      Rutherford

    • D. 

      Neil Bohr


  • 54. 
    56. the atomic number of an element is thesame as
    • A. 

      Number of neutrons

    • B. 

      Atomic mass

    • C. 

      Number of protons

    • D. 

      Mass number


  • 55. 
    47. to get the atomic mass, we sum up the numbers of
    • A. 

      Protons and electrons

    • B. 

      Electrons and neutrons

    • C. 

      Protons and neutrons

    • D. 

      Atomic number and number of protons


  • 56. 
    59. What kind of charge does the neutron have
    • A. 

      Positive

    • B. 

      Neutral

    • C. 

      Negative

    • D. 

      Non of the above


  • 57. 
    60. which of the following elements will gain electrons
    • A. 

      Ca

    • B. 

      Au

    • C. 

      Kr

    • D. 

      N


  • 58. 
    61. Which of the following elements will most likely not participate in bonding
    • A. 

      Si

    • B. 

      Sr

    • C. 

      Xe

    • D. 

      K


  • 59. 
    62. an atom contains 11 protons, 11 electrons, and 12 neutrons. What is the mass number
    • A. 

      11

    • B. 

      12

    • C. 

      23


  • 60. 
    63. The octet rule states that
    • A. 

      Elements become stable by having 8 electrons

    • B. 

      Elements become stable by having 8 valence electrons

    • C. 

      Same number of protons and electrons

    • D. 

      Conserving electrons


  • 61. 
    64. covalent compounds are formed by
    • A. 

      Transfer of electrons

    • B. 

      Gaining electrons

    • C. 

      Losing electrons

    • D. 

      Sharing electrons


  • 62. 
    65. the compound vanadium silfide is an example of
    • A. 

      Covalent compound

    • B. 

      Ionic compound


  • 63. 
    66. Which compounds will most likely conduct electricity in the liquid form 
    • A. 

      Covalent compounds

    • B. 

      Ionic compounds


  • 64. 
    67. which compound have lower melting and boiling points
    • A. 

      Covalent compounds

    • B. 

      Ionic compounds


  • 65. 
    68. which of the substances below is not a compound
    • A. 

      Sugar

    • B. 

      Water

    • C. 

      Chlorine

    • D. 

      Carbon dioxide


  • 66. 
    I69. onization is the process where atoms
    • A. 

      Share electrons

    • B. 

      Form polar molecules

    • C. 

      Gain or lose electons

    • D. 

      Split into simpler particles


  • 67. 
    70. why do elements form compounds
    • A. 

      To form new compounds

    • B. 

      To become stable like the noble gases

    • C. 

      To become unstable

    • D. 

      To give away electrons


Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz
We have sent an email with your new password.