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EMR, Bohr, And Quantum Model
Test Description: Review of EMR, Bohr, and Quantum Models
Instructions: Answer all questions to get your test result.
1) Which of the statements about light is FALSE?
A
All of the above statements are true.
B
A characteristic feature of light that determines its color is its wavelength.
C
A packet of light energy is called a photon.
D
Light travels through space at a speed of 3.00 × 108 m/s.
2) The number of cycles of a wave that passes a stationary point in one second is called its:
A
wavelength.
B
trough.
C
crest.
D
frequency.
3) How are wavelength and frequency of light related?
A
Wavelength is one-half of the frequency
B
Wavelength is double the frequency.
C
Wavelength increases as frequency increases.
D
Wavelength increases as the frequency decreases.
4) Which of the following statements about the quantum-mechanical model is FALSE?
A
Orbitals are a probability map of finding electrons.
B
Orbitals are specific paths electrons follow.
C
Electrons do not behave as particles.
D
Electron paths cannot be described exactly.
5) How many subshells are there in the n = 4 principal shell?
A
3
B
1
C
4
D
2
6) The n = ________ principal shell is the lowest that may contain a d-sublevel.
A
4
B
1
C
3
D
2
7) The d subshell can hold a maximum of ________ electrons.
A
10
B
6
C
5
D
2
8) How many electrons can exist in an orbital?
A
3
B
4
C
1
D
2
9) The subshell that has three orbitals and can hold up to six electrons is the:
A
f
B
p
C
d
D
s
10) The lowest energy orbital in the quantum-mechanical model is the:
A
1s orbital
B
1 p orbital
C
zero orbital.
D
1a orbital.
*select an answer for all questions
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