25. Regarding to the concept of reduction and oxidation, which of the following statements is true?(
26. You have immersed electrodes of a light bulb in a solution of H2SO4 such that the light bulb iso
12. Place the following in order of decreasing X-A-X bond angle, where A represents the central atom
13. Draw the Lewis structure for . What is the hybridization on the Br atom?(A) sp3d2 (B) sp3d (C) s
19. 核融合反應:2H + 3H → 4He + 1n + energy 2H = 2.0140 amu、3H = 3.0161 amu、4He = 4.0026 amu、1n = 1.0087 a
14. Using the VSEPR model, the molecular geometry of the central atom in SO2 is ________(A) linear (
16. Which of the following compounds exhibits only dispersion and dipole-dipole intermolecular inter
17. Which of the following statements is TRUE?(A) The solubility of a solid is not dependent on eith
18. Consider the following reaction at equilibrium. What will happen if we add more SO3 in the syste
19. Which Br Φnsted-Lowry acid is not considered to be a strong acid in water?(A) HI (B) HBr (C) H2S
21. When titrating a weak monoprotic acid with NaOH at 25℃, the(A) pH will be less than 7 at the equ
22. Which of the following statements is TRUE?(A) Entropy is not a state function.(B) Endothermic pr
23. What statement is NOT true about standard electrode potentials?(A) E° cell is positive for spont
24. What will happen during gamma ray emission.(A) The mass number and atomic number decrease.(B) Th
25. Identify the element that is not used as a radioactive tracer.(A) iron-59(B) phosphorus-32(C) th