複選題

53. Which molecules show resonances?
(A)BH₃
(B)NO₂
(C)SF₄
(D)O₃
(E)PCl₃

複選題54. Consider the molecular-orbital energy-level diagrams for \( O_2 \) and NO. Which of the following are true? (A)both molecules are paramagnetic (B)the bond strength of \( O_2 \) is greater than the bond strength of NO (C)NO is an example of a homonuclear diatomic molecule (D)the ionization energy of NO is smaller than the ionization energy of \( O_2 \) (E)both are stable molecules

複選題55. Which of the following statements are true? (A)an orbital can accommodate at most two electrons (B)the electron density at a point is proportional to \( \psi^2 \) at that point (C)the spin quantum number of an electron must be either +1/2 or -1/2 (D)a 2p orbital is more penetrating than a 2s; that is, it has a higher electron density near the nucleus and inside the charge cloud of a 1s orbital (E)in the usual order of filling, the 6s orbital is filled before the 4f orbital

複選題56. Which statements about hydrogen are true? (A)H has a lower ionization energy than He (B)H⁻ is smaller than H (C)H has a higher effective nuclear charge than He (D)H is always a metal (E)H does not have a second ionization energy

複選題57. Which of the following ligands are capable of linkage isomerism? (A)SCN⁻ (B)NO₂⁻ (C)OCN⁻ (D)NH₃ (E)H₂O

複選題58. To calculate the freezing point of an ideal dilute solution of a single, nondissociating solute in a solvent, the minimum information one must know is (A)the molality (of the solute) (B)the molality (of the solute) and the freezing-point-depression constant of the solvent (C)the freezing point of the pure solvent (D)the molecular weight of the solute (E)the weight of the solvent

複選題59. Consider the reaction \( 2NO_2(g) \rightleftharpoons N_2O_4(g) \); \( H^\circ = -56.8 \text{ kJ} \), \( S^\circ = -175 \text{ J/K} \) In a container (at 298 K), \( N_2O_4(g) \) and \( NO_2(g) \) are mixed with initial partial pressures of 2.4 atm and 0.42 atm, respectively. Which of the following statements are false? (A)some \( N_2O_4(g) \) will decompose into \( NO_2(g) \) (B)some \( NO_2(g) \) will dimerize to form \( N_2O_4(g) \) (C)the system is at equilibrium at these initial pressures (D)the final total pressure must be known to answer this question (E)none of these statements is correct

複選題60. Based on the phase diagram shown below, which of the following statements are correct? (A)sublimation occurs at a point in the transformation that falls along a straight line from point A to point F (B)C and E represent points where the gas and liquid phases are in equilibrium (C)\( H_{vap} \) can be measured at point B (D)molecules at point D have a greater average kinetic energy than those at point F (E)the temperature at point E is called the critical temperature of the compound

1. 空氣品質指標(Air Quality Index,AQI)係用以評估空氣污染對健康的影響。關於AQI不同區間與其健康影響之敘述，下列何者正確？ (A) AQI 51 –100代表空氣品質良好，對所有族群皆無影響 (B) AQI 101 –150可能影響敏感族群健康，但對一般族群影響較小 (C) AQI 151 –200屬緊急危害等級，所有人皆有立即生命危險 (D) AQI 201 –300僅對敏感族群產生健康影響，一般族群不受影響

2. 有關憂鬱的發作及其治療，下列敘述何者最適當？ (A) 抗憂鬱藥物治療當症狀緩解時，就需盡快停藥，以免產生嚴重藥物副作用 (B) 醫師依憂鬱嚴重度決定治療方式，藥物治療以抗憂鬱劑為主，抗焦慮劑為輔 (C) 憂鬱的成因相當複雜，但多數與心理因素或社會因素較相關，而生物因素的影響較低 (D)青少年第一次憂鬱發作多由神經質人格所致，且病情控制後只要遇到傷心事件就會再 次發作

3. 自尊與心理健康密切相關，下列何者較能代表良好自尊的表現？ (A) 在意他人評價，但仍能維持對自我價值的肯定 (B) 透過與他人比較來確認自己的能力與價值 (C) 為了維持良好形象，傾向避免表達負面情緒 (D) 面對失敗時會嚴格檢討自己並要求不再犯錯

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