39. decays to . How many beta decays are involved in this decay series?
(A) 6
(B) 1
(C) 4
(D) 2

40. Which of the following statements are true?I. The number of protons in an element is the same for all neutral atoms of thatelement.II.The number of electrons in an element is the same for all neutral atoms of thatelement.III. The number of neutrons in an element is the same for all neutral atoms of thatelement.(A) I, II, and III are all true. (B) Only I and II are true.(C) Only II and III are true. (D) Only I and III are true.

41. Which of the following is the correct formula for the alkane that contains ten carbon atoms? (A) C10H22 (B) C10H20 (C) C10H18 (D) C10H10

42. Which of the following is the correct formula for the simplest alkene that contains five carbon atoms? (A) C5H10 (B) C5H8 (C) C5H6 (D) C5H12

43. Name the following molecule.(A) 7-t-butyl-2,2,3,5-tetramethyl-7-propyldecane(B) 6-propyl-2,6-di-t-butylnonane(C) 2,2,5,7,8,8-hexamethyl-3,3-dipropylnonane(D) isonanane

44. A student gave a molecule the following name:2-ethyl-3-methyl-5-isopropylhexaneHowever, her TA pointed out that although the molecule could be drawn correctlyfrom this name, the name violates the systematic rules. What is the correct(systematic) name of the molecule?(A) 3,4-dimethyl-6-isopropylheptane (B) 2-isopropyl-4,5-dimethylheptane(C) 3,4,6,7-tetramethyloctane (D) 2,3,5,6-tetramethyloctane

45. In a lecture, a professor named a molecule 2-ethyl-4-tertiary-butylpentane. A student pointed out that although the correct structure could be drawn from this name, the name did not follow systematic rules. Which of the following is the correct systematic name for the molecule? (A) 2-t-butyl-5-methylhexane (B) 2-ethyl-4,5,5-trimethylhexane (C) 3,5,6,6-tetramethylheptane (D) 2,2,3,5-tetramethylheptane

46. The general name given to hydrocarbons with triple bonds is(A) alkenes (B) alkynes (C) alkanes (D) unsaturated hydrocarbons

47. Name the following molecule.(A) 1-hexyne (B) 2-ethynyl butane(C) 2-ethyl-3-butyne (D) 3-methyl-1-pentyne

48. Which of the following is the alternative name for 1,3-dichorobenzene(A) m-dichlorobenzene (B) o-dichlorobenzene(C) p-dichlorobenzene (D) benzene dichoride

49. In the three-dimensional structure of methane, CH4, the hydrogen atomsattached to a carbon atom are aligned(A) in a straight line. (B) at the corners of a square.(C) at the corners of a tetrahedron. (D) at the corners of a rectangle.

114年 - [無官方正解]114 亞洲大學_學士後獸醫學系招生試題：化學(含普通化學、有機化學)#131168

113年 - 113 中國醫藥大學_學士班寒假轉學招生考試：普通化學#124976

113年 - 113 亞洲大學_學士後獸醫學系招生考試試題：化學科#123227

112年 - 112 中國醫藥大學_學士班寒假轉學招生考試試題：普通化學#118600

112年 - 112 亞洲大學學士後獸醫學系招生考試試題_學士後獸醫學系：化學(含普通化學、有機化學)#117879

111年 - 111 中國醫藥大學學士班寒假轉學招生考試：普通化學#112961

111年 - 111 國立清華大學學士後西醫學系單獨招生考試_學士後醫學系自然科學組：化學#110532

111年 - 111 國立中興大學_學士後醫學系試題_學士後醫學系甲、乙組：化學#107632

111年 - 111 學士後醫學系招生考試：物理及化學#107629

110年 - 110 中國醫藥大學_學士班寒假轉學考試：普通化學#105829