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Quantum Number Test
Test Description: This is introductory test of Quantum Number. Quantum number is an important concept that stems from Preiodic Trends.
Instructions: Answer all questions to get your test result.
1) Which is NOT a possible quantum number?
A
1,0,0,-1/2
B
2,0,0,1/2
C
1,0,0,1/2
D
1,1,0,1/2
2) Which is NOT a possible quantum number?
A
3,1,-1,-1/2
B
3,1,1,-1/2
C
3,0,0,1/2
D
3,1,0,1/2
3) Which could be quantum number of valence electron of Al?
A
3,0,0,-1/2
B
3,0,0,1/2
C
3,1,-1,-1/2
D
2,1,1,1/2
4) Which could be quantum number of valence electron of Fe?
A
3,1,0,-1/2
B
3,2,1,1/2
C
3,0,0,1/2
D
3,0,1,-1/2
5) What is Pauly Exclusion?
A
one electron spins up and the other spins down
B
high energy level starts first
C
electrons first fill themselves up in parallel in all subshells before pairing up
D
low energy level starts first
6) If a certain light has a wavelength of 432 nm, what is the frequency of that light wave?
A
4.20x10^14 Hz
B
6.94x10^14 Hz
C
3.00x10^14 Hz
D
4.23x10^14 Hz
7) If a certain light has a wavelength of 400 nm, what is the the energy emitted by light?
A
2.12x10^-19 J
B
3.50x10^-19 J
C
4.97x10^-19 J
D
6.54x10^-19 J
8) What is n in quantum number?
A
magnetic number
B
subshell number
C
spin number
D
principal number
9) Which of the following is true?
A
The speed of light is constant
B
The speed of light increases when quantum number increases
C
The speed of light decreases when velocity of the light increases
D
The speed of light increases when the frequency of light increases
10) Calculate the maximum number of electrons that can occupy the levels when n = 2
A
6
B
8
C
2
D
10
*select an answer for all questions
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