皮皮学，免费搜题
登录
搜题
【单选题】
下列四个量子数（n,l,m,ms）依次取值错误的是_________。A.
3 ， 2 ， 2 ， - y
B.
2 ， 2 ， 0 ， + y
C.
3 ， 2 ， 1 ， + y
D.
3 ， 1 ， 0 ， - y
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】根据下列文章回答 21～25 题： 第 21 题 The best title of this passage could be__________．
【简答题】123466
【单选题】Passage One Questions 21 to 25 are based on the following passage. Your passport is your official identification as an American citizen. In America，most people never consider obtaining a passport unle...
A.
discuss traveling in other countries
B.
distinguish between passports and visas
C.
discuss the financial uses of a passport
D.
provide information about passports
【简答题】Passage One Questions 21 to 25 are based on the following passage. Lately it has become fashionable in America to question whether it is really worth it to go to college. According to a new survey rel...