CHEMISTRY 121 TEST 3
DR.RICHARDSON LIBERTY
UNIVERSITY EXAM QUESTIONS &
ACTUAL ANSWERS PASSED NEWEST
VERSION
electronic structure - Correct Answer ✔✔ describes the energies and arrangement of
electrons around an atom
electromagnetic radiation - Correct Answer ✔✔ visible light and all other forms of
radiation ex. gamma and x rays
C - Correct Answer ✔✔ speed of light 2.998x10^8
Lambda - Correct Answer ✔✔ wavelength
Nu - Correct Answer ✔✔ frequency
lambda x nu = - Correct Answer ✔✔ C
wavelength - Correct Answer ✔✔ the distance between two adjacent peaks
frequency - Correct Answer ✔✔ the complete number of wavelengths or cycles pass a
given second
unit of measure for frequency - Correct Answer ✔✔ Hertz Hz
angstrom - Correct Answer ✔✔ A 10^-10 xrays
nanometer - Correct Answer ✔✔ nm 10^-9 ultraviolet and visible
micrometer - Correct Answer ✔✔ um 10^-6 infrared
millimeter - Correct Answer ✔✔ mm 10^-3 microwave
centimeter - Correct Answer ✔✔ microwave 10^-2
meter - Correct Answer ✔✔ m 1 tv and radio
kilometer - Correct Answer ✔✔ km 1000 radio
, nu v = - Correct Answer ✔✔ c/lambda
what is emitted from hot objects - Correct Answer ✔✔ blackbody radiation
photoelectric effect - Correct Answer ✔✔ when the emission of electrons from metal
surfaces on which light shines
emission spectra - Correct Answer ✔✔ the emission of light from electronically excited
gas atoms
quantum - Correct Answer ✔✔ means fixed amount also the smallest amount that can
be absorbed electromagnetic radiation
E - Correct Answer ✔✔ energy
E= - Correct Answer ✔✔ HV
H - Correct Answer ✔✔ planck's constant-6.626x10^-34
photon - Correct Answer ✔✔ a small particle of energy
energy of photon= - Correct Answer ✔✔ e=hv
avagadro's number - Correct Answer ✔✔ 6.02x10^23
niehls bohr - Correct Answer ✔✔ wrote the theory of line spectra
monochromatic - Correct Answer ✔✔ radiation composed of a single wavelength
polychromatic - Correct Answer ✔✔ radiation composed for many wavelengths
spectrum - Correct Answer ✔✔ produced when radiation from a source is split into
component wavelengths
a spectrum containing all wavelengths of light - Correct Answer ✔✔ continuous
spectrum
line spectrum - Correct Answer ✔✔ a spectrum containing only specific wavelengths
Johann balmer - Correct Answer ✔✔ wrote the rydberg equation
rydberg equation - Correct Answer ✔✔ 1/lambda= (Rh)(1/2n1 - 1/2n2)
rydberg constant and n - Correct Answer ✔✔ 1.096776x10^7 n1 and n2 are positive
integers n2 being bigger then n1
DR.RICHARDSON LIBERTY
UNIVERSITY EXAM QUESTIONS &
ACTUAL ANSWERS PASSED NEWEST
VERSION
electronic structure - Correct Answer ✔✔ describes the energies and arrangement of
electrons around an atom
electromagnetic radiation - Correct Answer ✔✔ visible light and all other forms of
radiation ex. gamma and x rays
C - Correct Answer ✔✔ speed of light 2.998x10^8
Lambda - Correct Answer ✔✔ wavelength
Nu - Correct Answer ✔✔ frequency
lambda x nu = - Correct Answer ✔✔ C
wavelength - Correct Answer ✔✔ the distance between two adjacent peaks
frequency - Correct Answer ✔✔ the complete number of wavelengths or cycles pass a
given second
unit of measure for frequency - Correct Answer ✔✔ Hertz Hz
angstrom - Correct Answer ✔✔ A 10^-10 xrays
nanometer - Correct Answer ✔✔ nm 10^-9 ultraviolet and visible
micrometer - Correct Answer ✔✔ um 10^-6 infrared
millimeter - Correct Answer ✔✔ mm 10^-3 microwave
centimeter - Correct Answer ✔✔ microwave 10^-2
meter - Correct Answer ✔✔ m 1 tv and radio
kilometer - Correct Answer ✔✔ km 1000 radio
, nu v = - Correct Answer ✔✔ c/lambda
what is emitted from hot objects - Correct Answer ✔✔ blackbody radiation
photoelectric effect - Correct Answer ✔✔ when the emission of electrons from metal
surfaces on which light shines
emission spectra - Correct Answer ✔✔ the emission of light from electronically excited
gas atoms
quantum - Correct Answer ✔✔ means fixed amount also the smallest amount that can
be absorbed electromagnetic radiation
E - Correct Answer ✔✔ energy
E= - Correct Answer ✔✔ HV
H - Correct Answer ✔✔ planck's constant-6.626x10^-34
photon - Correct Answer ✔✔ a small particle of energy
energy of photon= - Correct Answer ✔✔ e=hv
avagadro's number - Correct Answer ✔✔ 6.02x10^23
niehls bohr - Correct Answer ✔✔ wrote the theory of line spectra
monochromatic - Correct Answer ✔✔ radiation composed of a single wavelength
polychromatic - Correct Answer ✔✔ radiation composed for many wavelengths
spectrum - Correct Answer ✔✔ produced when radiation from a source is split into
component wavelengths
a spectrum containing all wavelengths of light - Correct Answer ✔✔ continuous
spectrum
line spectrum - Correct Answer ✔✔ a spectrum containing only specific wavelengths
Johann balmer - Correct Answer ✔✔ wrote the rydberg equation
rydberg equation - Correct Answer ✔✔ 1/lambda= (Rh)(1/2n1 - 1/2n2)
rydberg constant and n - Correct Answer ✔✔ 1.096776x10^7 n1 and n2 are positive
integers n2 being bigger then n1
