The highest energy level in an atom is its
a. ionization level
b. emission level
c. absorption level
d. photon level
e. ground state
[Ques. 2] The lowest energy level in an atom is its
a. ionization level
b. emission level
c. absorption level
d. photon level
e. ground state
[Ques. 3] What is excluded by the Pauli exclusion principle?
a. certain values of angular momentum
b. precise values of both position and momentum
c. electrons in the same quantum state
d. none of the above
[Ques. 4] The fact that a particle cannot be precisely localized is the
a. photoelectric effect
b. uncertainty principle
c. principle of a hologram
d. principle of a laser
e. reason why photons are emitted
[Ques. 5] In the Bohr model of the hydrogen atom
a. energy is quantized
b. the electron's angular momentum is quantized
c. the emission spectrum is quantized
d. the absorption spectrum is quantized.
e. all of the above
[Ques. 6] An atom can be excited into a higher energy state by
a. emitting a photon
b. absorbing a photon
c. undergoing the photoelectric effect
d. decreasing its de Broglie wavelength
e. the uncertainty principle
[Ques. 7] An excited atom can lose energy by
a. emitting a photon
b. absorbing a photon
c. undergoing the photoelectric effect
d. increasing its de Broglie wavelength
e. the uncertainty principle
[Ques. 8] The energy associated with a photon of blue light is ________________ the energy associated with a photon of red light.
a. greater than c. equal to
b. less than d. unrelated to
[Ques. 9] What does it mean for something to be quantized?
a. It can have only certain discrete values.
b. It can have only integer values.
c. It can have values only between certain limits.
d. none of the above
[Ques. 10] A quantum of electromagnetic radiation is a
a. wave function
b. photon
c. de Broglie wave
d. laser
e. hologram
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