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10 Cards in this Set

  • Front
  • Back
Accuracy
the agreement between a measured quantity and its accepted value
analytical balance
a device for measuring mass that gives highly accurate measurements
angstrom
a non SI-unit equal to 1*10^-10 metres, or one tenth of a nanometre, it is especially useful in describing the size of atoms or other small particles
base units
SI units that all other units can be derived
beaker
piece of laboratory glassware used to measure approximate volumes
boiling point
the temperature at which the vapor pressure of a liquid is equal to the applied pressure
buret
a volume-deriving device that is calibrated to allow precise measurement of the fluid delivered
captive zero
zeros that are between to nonzero digits; captive zeros are always significant
certain digits
digits in a measurement that are independent of the experimenter and that are always significant
chemical change
a change in the chemical composition of a substance