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12 November, 19:06

The second electron configuration quantum number describes

A. the energy level.

B. the type of orbital (s, p, d, or f).

C. the spin of each electron.

D. the number of electrons in the orbital.

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  1. 12 November, 21:54
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    Answer: The answer is B. the type of orbital (s, p, d or f).

    Explanations: - There are four quantum numbers, n, l. ml and ms.

    n stands for Principal quantum number and tells us about the shell (energy level) in which electron is present. For example, n = 1 means the electron is in first energy level.

    Second quantum number is l and it stands for Azimuthal quantum number and tells us about sub shell (sub energy level) or orbital in which electron is present.

    For example, l = 0 means electron is in s orbital. l = 1 means electron is in p orbital. l = 2 means electron is in d orbital and l = 3 means electron is in f orbital.
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