(9)氩(Z=18)原子基态的电子组态及原子态是:. A.1s22s22p63p8 1S0; B.1s22s22p62p63d8 3P0. C.1s22s22p63p6 1S0; D. 1s22s22p63p43d2 2D1/2.
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