Chem 1010 Week 10 Question and
answers already passed 2026/2027
The number of wave cycles that pass a specified point in space in a specified amount of time is the -
correct answer ✔frequency
A photon is emitted by an atom when - correct answer ✔an electron moves from an excited state to a
less excited state
The Bohr model of the hydrogen atom - correct answer ✔predicts that an electron's energy increases
as it moves furthers away from the nucleus
Which of the following is true about how the Heisenberg uncertainty principle would be applied to a
macroscopic object like a tennis ball? - correct answer ✔The exact momentum and position of the
tennis ball cannot be determined, but the uncertainty in position or momentum is so small that it is
insignificant in calculations of the motion of macroscopic objects.
The angular momentum quantum number (l) describes - correct answer ✔the shape of the orbital
According to the Pauli exclusion principle - correct answer ✔two electrons in the same atom can
occupy the same orbital
In what subshell would electrons with quantum numbers n=5 and l=1 be found? - correct answer ✔5p
A yellow light-emitting diode (LED) produces light with a wavelength of 575 nm. What is the frequency
of the light produced by the yellow LED? - correct answer ✔5.21 x 1014 s-1
The energy of a photon is 4.23 x 10-17 J. What is the wavelength of the radiation? - correct answer
✔4.70 x 10-9 m
answers already passed 2026/2027
The number of wave cycles that pass a specified point in space in a specified amount of time is the -
correct answer ✔frequency
A photon is emitted by an atom when - correct answer ✔an electron moves from an excited state to a
less excited state
The Bohr model of the hydrogen atom - correct answer ✔predicts that an electron's energy increases
as it moves furthers away from the nucleus
Which of the following is true about how the Heisenberg uncertainty principle would be applied to a
macroscopic object like a tennis ball? - correct answer ✔The exact momentum and position of the
tennis ball cannot be determined, but the uncertainty in position or momentum is so small that it is
insignificant in calculations of the motion of macroscopic objects.
The angular momentum quantum number (l) describes - correct answer ✔the shape of the orbital
According to the Pauli exclusion principle - correct answer ✔two electrons in the same atom can
occupy the same orbital
In what subshell would electrons with quantum numbers n=5 and l=1 be found? - correct answer ✔5p
A yellow light-emitting diode (LED) produces light with a wavelength of 575 nm. What is the frequency
of the light produced by the yellow LED? - correct answer ✔5.21 x 1014 s-1
The energy of a photon is 4.23 x 10-17 J. What is the wavelength of the radiation? - correct answer
✔4.70 x 10-9 m
