A:还原性:X的氢化物>Y的氢化物>Z的氢化物
B:简单离子的半径:M的离子>Z的离子>Y的离子>X的离子
C:YX、MY都是含有极性键的分子
D:Z元素的最高价氧化物的水化物的化学式为HZO4
商朝在历史上又称为“殷商”或“殷”,原因是 ( )
王夫之指出:“封建毁而选举行,守令袭诸侯之权,刺史牧督司方伯之任,虽有元德显功,而无所庇其不令之子孙。”这主要是说( )
Hello! I'm Linda. I have a good e-friend. Her name is Zhang Yun. Her English name is Betty. She is a Chinese girl, but she lives in the UK with her parents. Her father is a doctor and her mother is a teacher. She is ten years old. She call me big sister. She is good at English. She likes Chinese and I also like Chinese. She likes singing and playing basketball. This is my good e-friend. Do you want to know more?