下列電子組態的轉變過程,何者會放出能量? (A)氫原子的電子由3d 移至4s. (B)碳:1s22s22px. 12py. 1 → 碳1s22s22px. 2. (C)鉻:[Ar] 3d44s2 → [Ar] 3d54s1.
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