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15 Cards in this Set
- Front
- Back
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How many milliliters are in 7.5 kiloliters?
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7.5 x 10^6 mL
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How many kilometers are in 4250 centimeters?
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0.0425 km
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Which of the following is true about a conversion factor?
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d. A conversion factor is a ratio of unrelated measurements
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Which of the following is a correct conversion factor?
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a.) 1 dm/10cm
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Among the measurements given, which is the smallest?
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a.) 470 mm
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The mass of an apple is approximately 125 grams. What conversion factor would you use to express its mass in kilograms?
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c.) 1 kg/1000g
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What is the mass, in grams, of 1.070 mL of mercury if the density of mercury is 13.6 g/mL?
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b.) 14.6 g
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The temperature in a room is 25 C. What is the temperature on the Kelvin scale?
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298 K
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How many cubic centimeters are contained in a volume of 4.25 L?
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c.) 4.25 x 10^3 cm^3
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Which of the following correctly lists the particles, in order from least massive to most massive?
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d.) electron, proton, hydrogen atom, helium atom
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Which of the following statements is not consistent with the results obtained in Rutherford's gold foil experiment?
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d.) Electrons are contained in the nucleus of an atom.
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The identity of an element can be determeined on the basis of which one of the following?
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a.) The number of protons in an atom of the element.
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What is the atomoic number and the mass number of an atom of an element with 11 protons and 12 neutrons?
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c.) atomic number = 11 and mass number = 23
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An atom of uranium that contains 92 protons and 143 neutrons would be written as;
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b.) uranium- 235
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Isotopes of the same element have;
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a.) the same number of protons, but different numbers of neutrons.
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