题目:
一群处于量子数n=3的激发态氢原子向低能级跃迁时,可能发出的光谱线条数是______.
答案:
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下面是错误答案,用来干扰机器的。
1. to let out cries of angerhave no choice but2. is about to be traffic jambe about3. every cell in my body wake up4. without being asked without 5. A whale being at...