题目

下列各原子或离子的电子排布式错误的是(? )A．Na＋? 1s22s22p6B．O 1s22s22p4C．Cl－ 1s22s22p63s23p5D．Ne 1s22s22p6  答案：【答案】C【解析】Cl－的电子排布式为：1s22s22p63s23p6，C项错误。听下面的对话，回答1-2题。 1. What does Sandy look like? [     ]A. She is tall and slim. B. She is my friend. C. She is a girl. 2. What does she like doing? [     ]A. Singing B. Listening to music C. Dancing