12. What is the ground state term symbol of $p^2$? (3 points)
(A) $^1\mathrm{D}$?
(B) $^1\mathrm{S}$?
(C) $^3\mathrm{P}$?
(D) $^3\mathrm{D}$?
(E) $^5\mathrm{P}$

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