# Which of the following statements is correct for an electron that has the quantum numbers n = 4 and m = - 2.

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Which of the following statements is correct for an electron that has the quantum numbers n = 4 and m = - 2.

(a) The electron may be in 2 p orbital

(b) The electron may be in 4 d orbital

(c) The electron is in the second main shell

(d) The electron must have spin quantum number as +$\frac{1}{2}$.

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(b) The electron may be in 4 d orbital