Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Classify the following as an element, mixture, or compound: sodium
chloride
A) | element | C) | mixture (homogeneous) | B) | mixture
(heterogeneous) | D) | compound |
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2.
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Classify the following as an element, mixture, or compound : blueberry
muffin
A) | element | C) | mixture (homogeneous) | B) | mixture
(heterogeneous) | D) | compound |
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3.
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What type of mixture is oil & water?
A) | heterogeneous | B) | homogeneous |
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4.
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What type of mixture is blood?
A) | heterogeneous | B) | homogeneous |
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5.
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In which of the following states of matter are the particles most attracted to
each other?
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6.
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Which of the following particles has the greatest amount of kinetic
energy?
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7.
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In which state if matter are the intermolecular forces least attracted to each
other?
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8.
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What happens to the distance between molecules of a substance when it
melts?
A) | it becomes shorter | C) | there is no change | B) | it becomes greater | D) | it depends on the
substance |
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9.
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What happens to the distance between molecules of a substance when it
vaporizes?
A) | it becomes shorter | C) | there is no change | B) | it becomes greater | D) | it depends on th
substance |
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10.
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How many protons are in Boron?
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11.
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How mny electrons are in magnesium?
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12.
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Calculate the number of neutrons in carbon - 14
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13.
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How many protons does potassium - 40 have?
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14.
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Calculate the number of neutrons in 31P
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15.
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Calculate the number of neutrons in 235U.
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16.
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Which scientist came up with the atomic theory of matter?
A) | Dalton | C) | Chadwick | B) | Rutherford | D) | Millikan |
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17.
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What law states that matter is neither created or destroyed in any
process?
A) | Law of Conservation of Energy | C) | Law of Definite
Proportions | B) | Law of Conservation of Matter | D) | Law of Multiple
Proportions |
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18.
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Thomson used the cathode ray experiment to discover which subatomic
particle?
A) | proton | C) | electron | B) | neutron | D) | nucleus |
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19.
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Rutherford’s gold foil experiment was used to show that the ________ was
small, dense, ans positively charged.
A) | proton | C) | electron | B) | neutron | D) | nucleus |
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20.
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One can use the atomic emission spectrum to identify an element by its
A) | size | C) | color | B) | shape | D) | density |
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21.
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Credit for the discovery of the electron is given to
A) | Tomson | C) | Millikan | B) | Chadwick | D) | Rutherford |
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22.
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Credit for the discovery of the neutron is given to
A) | Millikan | C) | Chadwick | B) | Rutherford | D) | Tomson |
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23.
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Which element is represented by the arrow
diagram shown below?
1s ¯ .
2s ¯ .
2p ¯ ¯ ¯ .
3s ¯ .
3p ¯ ¯ ¯ .
4s ¯ .
3d ¯
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24.
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How many electrons can a single orbital hold?
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25.
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Which elements electron configuration ends in 6s2
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26.
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Which element has a noble gas configuration of
[Ne]3s23p1
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27.
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Which noble gas has only two dots in its electron dot structure?
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28.
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How many valence electrons does phosphorous have?
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29.
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126Te has _______________
A) | 52 protons, 52 neutrons, 74 electrons | C) | 74 protons, 52 electrons, 126
neutrons | B) | 52 protons, 52 electrons, 74 neutrons | D) | 52 protons, 52 electrons, 126
neutrons |
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30.
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Which of the neon isotopes has the same nmber of neutrons as protons?
A) | neon - 20 | C) | neon - 22 | B) | neon - 21 | D) | neon - 19 |
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31.
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How many electrons are in 238U?
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32.
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The reactivity of an elements depends mainly on the number of
A) | electrons | C) | protons | B) | valence electrons | D) | neutrons |
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33.
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Classify air as an element, mixture, compound, or colloid.
A) | element | C) | compound | B) | mixture | D) | colloid |
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34.
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Classify calcium carbonate as an element, mixture, compound, or colloid.
A) | element | C) | compound | B) | mixture | D) | colloid |
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35.
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Classify aluminum as an element, mixture, compound, or colloid.
A) | element | C) | compound | B) | mixture | D) | colloid |
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36.
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Classify carbon as an element, mixture, compound, or colloid.
A) | element | C) | compound | B) | mixture | D) | colloid |
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37.
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Classify salt water as an element, mixture, compound, or colloid.
A) | element | C) | compound | B) | mixture | D) | colloid |
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38.
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Classify copper as an element, mixture, compound, or colloid.
A) | element | C) | compound | B) | mixture | D) | colloid |
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39.
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Classify carbon dioxide as an element, mixture, compound, or colloid.
A) | element | C) | compound | B) | mixture | D) | colloid |
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40.
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Classify muddy water as an element, mixture, compound, or colloid.
A) | element | C) | compound | B) | mixture | D) | colloid |
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41.
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Is mass an example of an intensive property or an extensive property?
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42.
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Is boiling point an example of an intensive property or an extensive
property?
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43.
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Is density an example of an intensive property or an extensive property?
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44.
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Is weight an example of an intensive property or an extensive property?
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45.
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Is height an example of an intensive property or an extensive property?
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46.
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Is melting point an example of an intensive property or an extensive
property?
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47.
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Is freezing point an example of an intensive property or an extensive
property?
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48.
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Is width an example of an intensive property or an extensive property?
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49.
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Is volume an example of an intensive property or an extensive property?
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50.
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Is malleability an example of an intensive property or an extensive
property?
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51.
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To what category of elements does an element belong if it is a poor conductor of
electricity?
A) | metal | B) | non metal | C) | metalloid |
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52.
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To what category of elements does an element belong if it is a good conductor of
electricity?
A) | metal | B) | non metal | C) | metalloid |
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53.
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To what category of elements does an element belong if it is malleable?
A) | metal | B) | nonmetal | C) | metalloid |
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54.
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To what category of elements does an element belong if it is brittle?
A) | metal | B) | nonmetal | C) | metalloid |
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55.
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To what category of elements does an element belong if it tends to gain
electrons when forming an ion?
A) | metal | B) | nonmetal | C) | metalloid |
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56.
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To what category of elements does an element belong if it tends to lose
electrons when forming an ion?
A) | metal | B) | nonmetal | C) | metalloid |
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57.
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To what category of elements does an element belong if it is ductile?
A) | metal | B) | nonmetal | C) | metalloid |
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58.
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To what category of elements does an element belong if it exhibits
luster?
A) | metal | B) | nonmetal | C) | metalloid |
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59.
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To what category of elements does an element belong if it is dull?
A) | metal | B) | nonmetal | C) | metalloid |
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60.
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To what category of elements does an element belong if it is a good conductor of
heat?
A) | metal | B) | nonmetal | C) | metalloid |
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61.
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What type of mixture is sand and water?
A) | heterogeneous | B) | homogeneous |
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62.
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What type of mixture is black coffee?
A) | heterogeneous | B) | homogeneous |
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63.
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What type of mixture is a chocolate chip cookie?
A) | heterogeneous | B) | homogeneous |
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64.
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What type of mixture is a blueberry muffin?
A) | heterogeneous | B) | homogeneous |
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65.
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What type of mixture is chicken noodle soup?
A) | heterogeneous | B) | homogeneous |
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66.
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What type of mixture is air?
A) | heterogeneous | B) | homogeneous |
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67.
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What type of mixture is dirt?
A) | heterogeneous | B) | homogeneous |
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68.
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What type of mixture is concrete?
A) | heterogeneous | B) | homogeneous |
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69.
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Given: Li, Rb, K, or Na, which has the largest atomic radius?
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70.
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Given: Li, Rb, K, or Na, which has the smallest atomic radius?
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71.
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Given: K, Cs, As, Br, which has the largest atomic radius?
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72.
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Given: K, Cs, As, Br, which has the smallest atomic radius?
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73.
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Given: K, Cs, As, Br, which has the largest electronegativity?
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74.
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Given: K, Cs, As, Br, which has the smallest electronegativity?
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75.
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Given: Li, Rb, K, Na, which has the smallest electronegativity?
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76.
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Given: Li, Rb, K, Na, which has the largest electronegativity?
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77.
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Given: iodine, helium, sulfur, or hydrogen, which is a halogen?
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78.
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How many valence electrons does Si have?
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79.
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How many valence electrons does Rn have?
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80.
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Given: vanadium, bromine, strontium, or neodymium, in which would you find
f orbitals being filled?
A) | vanadium | C) | strontium | B) | bromine | D) | neodymium |
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81.
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Which element is represented by the electron configuration shown
below?
1s2 2s2
2p6 3s2 3p6
4s2 3d 10 4p6
5s2 4d 105p6 6s2
4f 14 5d10 6p6
A) | Radon | C) | Sulfur | B) | Argon | D) | Silver |
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82.
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What is the correct electron dot structure for sodium?
A) | ·Na | C) |
· ·Na ·
| B) | ·Na · | D) |
· ·Na ·
· |
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83.
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Which element’s electron configuration ends with 4p2
?
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84.
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Which element is represented by the orbital diagram shown
below?
1s ¯ .
2s ¯ .
2p ¯ ¯ ¯ .
3s _
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85.
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Which element is represented by the orbital diagram shown
below?
1s ¯ .
2s ¯ .
2p ¯ ¯ ¯ .
3s ¯ .
3p ¯ _ __.
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86.
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Which element is represented by the orbital diagram shown
below?
1s ¯ .
2s ¯ .
2p ¯ ¯ ¯ .
3s ¯ .
3p ¯ ¯ ¯ .
4s
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87.
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Which element is represented by the electron configuration shown
below?
1s2 2s2
2p6 3s2 3p5
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88.
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Which element is represented by the electron configuration shown
below?
1s2 2s2
2p6 3s2 3p1
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89.
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Which element is represented by the electron configuration shown
below?
1s2 2s2
2p6 3s2 3p6
4s2 3d 6
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90.
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Which element is represented by the electron configuration shown
below?
[Ar] 4s2
3d 10
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91.
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Which element is represented by the electron configuration shown
below?
[Ar] 4s2
3d 10 4p1
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92.
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Which element is represented by the electron configuration shown
below?
1s2 2s2 2p6
3s2 3p6 4s2 3d
10 4p6 5s2 4d 10
5p1
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93.
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Which element is represented by the electron configuration shown
below?
1s2 2s2
2p1
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94.
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What is the correct electron dot structure for oxygen?
A) | · ··O·· ·
| C) | ·· ··O·· ·· | B) | ·· ··O·· · | D) |
· · O ·
· |
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95.
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What is the correct electron dot structure for strontium?
A) | · ·Sr· ·
| C) |
·· ·Sr·
·· | B) |
·· ··Sr··
·· | D) | ·Sr· |
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96.
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Calculate the number of neutrons in potassium-40.
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97.
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Calculate the number of protons in carbon – 14.
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98.
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Calculate the number of protons in oxygen – 17.
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99.
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Calculate the number of neutrons in oxygen – 17
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100.
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Calculate the number of neutrons in 31 P.
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101.
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Calculate the number of neutrons in 235 U.
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102.
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Calculate the number of protons in 238 U.
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103.
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Which isotope of oxygen contains the same number of neutrons and
protons?
A) | oxygen - 8 | C) | oxygen - 24 | B) | oxygen - 16 | D) | oxygen - 4 |
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104.
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Which scientist is famous for his “Oil Drop Experiment”?
A) | Dalton | C) | Millikan | B) | Chadwick | D) | Rutherford |
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105.
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What concept states that all matter is composed of atoms?
A) | Dalton’s Atomic Theory | C) | Thomson’s Cathode Ray
Theory | B) | Law of Conservation of Matter | D) | Quantum Mechanical
Theory |
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106.
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Who is given credit for the discovery of the proton?
A) | Dalton | C) | Chadwick | B) | Rutherford | D) | Tompson |
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107.
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What determines the average kinetic energy of the molecules of any gas?
A) | size | C) | volume | B) | temperature | D) | pressure |
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108.
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What must happen to the kinetic energy of a substance for a liquid to change
into a solid?
A) | increase | C) | remain the same | B) | decrease | D) | not enough information to
determine |
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109.
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What must happen to the kinetic energy of a substance for a gas to change into a
liquid?
A) | increase | C) | remain the same | B) | decrease | D) | not enough information to
tell |
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110.
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What must happen to the kinetic energy of a substance for a solid to change into
a gas?
A) | increase | C) | remain the same | B) | decrease | D) | not enough information to
tell |
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111.
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What the state of matter has particles with the least amount of kinetic
energy?
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