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Unit 8 Quiz--Bohr's Model of the Atom |
Multiple Choice (Choose the best answer.)
The wavelength is equal to the number of waves that pass a given point in one second.
The symbol for wavelength
is .
Frequency can be measured in Hertz, 1/s, waves/s, or s-1.
As the wavelength gets larger, the frequency gets larger.
The speed of light in a vacuum is 3.00 x 10 8 cm / s.
0.17 Hz
0.27 Hz
3.8 Hz
60. Hz
None of these are correct.
3.0 x 10 11 s-1
3.0 x 10 9 s-1
3.3 x 10 -10 s-1
3.3 x 10 -12 s-1
None of these are correct.
1.7 x 10 8 cm
1.7x 10 6 cm
6.0 x 10 -7 cm
6.0 x 10 -9 cm
None of these area correct.
3.3 x 10 -17 J
3.0 x 10 -16 J
4.0 x 10 -40 J
4.0 x 10 -18 J
None of these are correct.
The electron can have only certain energies, including a lowest-level ground state.
Electrons absorb energy by moving to higher energy orbits.
Electrons emit energy as light when they move to lower energy orbits.
B and C are correct.
A, B, and C are correct.
The diagram at right depicts the energy levels present in the hydrogen atom as envisioned by Bohr. The bottom right corner of the digram is the nucleus of the H atom. The numbered orbits refer to the allowed energy levels in the atom. Use this diagram to answer questions 7 - 10 below. | ![]() |
2.043 x 10 -18 J
3.981 x 10 -18 J
1.938 x 10 -18 J
1.050 x 10 -19 J
None of these are correct because energy is absorbed.
1.58 x 10 14 Hz
6.31 x 10 -15 Hz
1.89 x 10 -4 Hz
9.96 x 10 -53 Hz
None of these are correct.
1.58 x 10 14 cm
6.31 x 10 -15 cm
1.89 x 10 -4 cm
9.96 x 10 -53 cm
None of these are correct.
Ultraviolet
Infrared
Visible Light
X-Rays
Radio Waves
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