Instrumental Analysis EXAM 1 Vocab questions
with verified answers
absorbance Ans✓✓✓ a measure of the capacity of a substance to
absorb light of a specified wavelength
absorption filters Ans✓✓✓ filter which allow all light through except
for that in a narrow region
absorptivity Ans✓✓✓ A measure of the amount of radiant energy
absorbed by a substance.
accuracy Ans✓✓✓ A description of how close a measurement is to the
true value of the quantity measured.
amplitude Ans✓✓✓ Height of a wave at its crest
atomization Ans✓✓✓ reduction to small particles
Aufbau Principle Ans✓✓✓ the rule that electrons occupy the orbitals
of lowest energy first
band spectra Ans✓✓✓ Produced by excited molecules emitting
radiation in groups of closely spaced lines that merge to form bands
, barrier layer cell Ans✓✓✓ Selenium semiconductor which has a silver
layer on one side of cell and iron or copper on the other side. Silver
layer releases electrons when exposed to light. These electrons flow
through the semiconductor (selenium) to the electron deficient iron
layer
Beer's Law Ans✓✓✓ explains the relationship between absorbance, at
a given wavelength and concentration, A = εbc
bias Ans✓✓✓ the difference between a measured average and a
conventional or reference quantity value
blackbody radiation Ans✓✓✓ The electromagnetic radiation emitted
from a heated object
charge transfer device Ans✓✓✓ used as an image sensor in which the
image points are accessed by reference to their horizontal and vertical
coordinates
chemluminescence Ans✓✓✓ giving off light
coherent radiation Ans✓✓✓ Electromagnetic radiation whose waves
are equal in length and are in phase, so that waves at different points in
space act in unison, as in laser and synthetic aperture radar.
with verified answers
absorbance Ans✓✓✓ a measure of the capacity of a substance to
absorb light of a specified wavelength
absorption filters Ans✓✓✓ filter which allow all light through except
for that in a narrow region
absorptivity Ans✓✓✓ A measure of the amount of radiant energy
absorbed by a substance.
accuracy Ans✓✓✓ A description of how close a measurement is to the
true value of the quantity measured.
amplitude Ans✓✓✓ Height of a wave at its crest
atomization Ans✓✓✓ reduction to small particles
Aufbau Principle Ans✓✓✓ the rule that electrons occupy the orbitals
of lowest energy first
band spectra Ans✓✓✓ Produced by excited molecules emitting
radiation in groups of closely spaced lines that merge to form bands
, barrier layer cell Ans✓✓✓ Selenium semiconductor which has a silver
layer on one side of cell and iron or copper on the other side. Silver
layer releases electrons when exposed to light. These electrons flow
through the semiconductor (selenium) to the electron deficient iron
layer
Beer's Law Ans✓✓✓ explains the relationship between absorbance, at
a given wavelength and concentration, A = εbc
bias Ans✓✓✓ the difference between a measured average and a
conventional or reference quantity value
blackbody radiation Ans✓✓✓ The electromagnetic radiation emitted
from a heated object
charge transfer device Ans✓✓✓ used as an image sensor in which the
image points are accessed by reference to their horizontal and vertical
coordinates
chemluminescence Ans✓✓✓ giving off light
coherent radiation Ans✓✓✓ Electromagnetic radiation whose waves
are equal in length and are in phase, so that waves at different points in
space act in unison, as in laser and synthetic aperture radar.
