All of the following are electromagnetic radiations except
A red light
B. sound waves
C. x-rays
D. photon
Correct Answer: B. sound waves
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This shape of a 2s orbital resembles:
A. a hockey puck
B. an (American) football
C. an ellipse
D. a sphere
Correct Answer: D. a sphere
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Which orbital of the following has a principal quantum number of 3 and an angular momentum quantum number of 27
A. 3s
B. 3d
C. 4f
D. 3f
Correct Answer: B. 3d
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Which of the following has the highest energy?
A. gamma rays
B. X-rays
C. Ultra-violet radiation
D. radio waves
Correct Answer: A. gamma rays
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All of the following elements are correct for atomic orbitals except
A. p-sub energy level has 3 orbitals
B. s-orbital has spherical shape
C. energy of 4s is less than that of 4d
D. All d orbitals have 4 lobes
Correct Answer: D. All d orbitals have 4 lobes
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How many orbitals are allowed for principal quantum number (n) of 3?
A. 9
B. 8
C. 6
D. 4
Correct Answer: A. 9
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Which of the following orbitals are degenerate in a multielectron atom?
A. 3d orbitals
B. 3s, 3p, 3d orbitals
C. 1s, 2s orbitals
D. 2d orbitals
Correct Answer: A. 3d orbitals
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