final exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Study of the composition and structure of materials and the changes that materials undergo best describes the science of | Chemistry
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| A physical property may be investigated by | Melting ice
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| Two features that distinguish matter are | Mass and volume
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| The melting of candle wax is classified as a physical change because it | Produces no new substances
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| The particals in a solid are | Packed close together
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| The most useful source of chemical information about the elements is a | Periodic Table
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| Which is NOT a property of metals? | Unreactivity
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| A horizontal row of blocks in the periodic table is called a(n) | Period
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| A vertical column of blocks in the periodic table is called a(n) | Group
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| Elements in a group in the periodic table can be expected to have similar | Properties
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| Quantitative observations are recorded using | Numerical information
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| Qualitative observations are recorded using | Non-numerical information
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| Standards are chosen because they | Are reproducible in another laboratory
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| The SI standard unit for length and mass are | Meter and Kilogram
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| The unit m3 measures | Volume
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| The Symbol for the metric unit used to measure mass is | g
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| The symbol that represents the measured unit for volume is | mL
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| To calculate the density of an object | Divide its mass by its volume
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| Five darts strike in the center of the target. Whoever threw the darts is | Both accurate and precise
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| The number of significant figures in the the measurement 170.040 km is | 6
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| A nuclear particle that has about the same mass as a proton, but with no electrical charge, is called a(n) | Neutron
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| Br-66 has how many protons, neutrons, and electrons | 35 protons, 35 electrons, 31 neutrons
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| As the mass number of the isotopes of an element increases, the number of protons | Remains the same
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| Five darts strike in the center of the target. Whoever threw the darts is | Both accurate and precise
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| The number of significant figures in the the measurement 170.040 km is | 6
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| A nuclear particle that has about the same mass as a proton, but with no electrical charge, is called a(n) | Neutron
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| Br-66 has how many protons, neutrons, and electrons | 35 protons, 35 electrons, 31 neutrons
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| As the mass number of the isotopes of an element increases, the number of protons | Remains the same
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Created by:
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