75道经典AP化学选择题型（一）

  AP化学深受理工科学生的喜爱。如果你将来留学的专业是理工科类，那么小编还是比较推荐你选择AP化学科目的，因为相对于AP物理，AP化学还是要简单一些的。具体AP课程选择详情，请：AP课程如何选？

  今天小编给大家带来了75道经典常考的AP化学选择题，赶紧来锻炼一下吧！答案在文章结尾。

  Part A 

  Directions: Each set of lettered choices below refers to the numbered statements immediately following it. Select the one lettered choice that best fits each statement and then fill in the corresponding oval on the answer sheet. A choice may be used once, more than once, or not at all in each set.

  Questions 1–2

  Consider atoms of the following elements. Assume that the atoms are in the ground state.

  (A) S (B) Ca (C) Ga (D) Sb (E) Br

  1. The atom that contains exactly two unpaired electrons

  2. The atom that contains only one electron in the highest occupied energy sublevel

  Questions 3-5 refer to the following molecules.

  (A) CO2 (B) H2O (C) CH4 (D) C2H4 (E) PH3

  3. The molecule with only one double bond

  4. The molecule with the largest dipole moment

  5. The molecule that has trigonal pyramidal geometry

  Questions 6–7 refer to the following solid compounds.

  (A) PbSO4 (B) CuO (C) KMnO4 (D) KCl (E) FeCl3

  6. Is purple in aqueous solution

  7. Is white and very soluble in water

  Questions 8–10 refer to the following gases at 0˚C and 1 atm.

  (A) Ne (B) Xe (C) O2 (D) CO (E) NO

  8. Has an average atomic or molecular speed closest to that of N2 molecules at 0˚C and 1 atm

  9. Has the greatest density

  10. Has the greatest rate of effusion through a pinhole

  答案：1A 2C 3D 4B 5E 6C 7D 8D 9B 10A 11D 12E 13C 14B 

  今天的AP化学选择题就分享到这里。剩下的我们将陆续更新！另外我们还有相应的PDF格式，如有需要的同学，请提交“姓名+电话+邮箱”，我们将于24小时内发送给你！此外，我们还有AP化学真题哦！