Glossary of Chemistry Test

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

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