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Which of the following statements is INCORRECT?
A. The principal quantum number for the valency shell electron of the ground state Sc atom is 3
B. Total number of radial nodes for the valency shell electron of the ground state Sc atom is 4
C. Azimuthal quantum number for the penultimate shell electron of the ground state Sc atom is 3
D. Total number of electrons present in ground state Sc atom with l = 0 and m_s = $+ \frac{1}{2}$ Is equal to 4
E. The total number of electrons present in the ground state Sc atom with n = 2 is equal to 8
Choose the correct answer from the options given below:

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A, B, and C

C and D only

E only

D and E only

answer is A.

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Detailed Solution

The principal quantum number for the valency shell electron of the ground state Sc atom is 4

The total number of radial nodes for the valency shell electron of the ground state Sc atom is 3

The Azimuthal quantum number for the penultimate shell electron of the ground state Sc atom is 0,1,2

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