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自然科學 大學

大學普化 方智化學第六題

ow Na k 7 CI o se Br Chapter 2 化學鍵結 AH -C=CH 升二技插大 3. Brigma The bond between the carbon atoms in acetylene (HCCH) consists of ) (A)6 pi electrons (B)4 pi and 2 sigma electrons (C)6 sigma electrons (D)2 pi and 4 sigma electrons (E)3 pi and 3 sigma B) B 7.(BCDE) electrons. 【84 成大化學) 14.(B) 20.(C) 4. E ) (A)NO; [83 中興A] Which of the following has a triple bond? (B)O2 (C)C12 (D)CO; (E)CN-. Which one of the following element pairs has the lowest electronegativity (B) 27.(D) 34. (C) C) 41.(CD) 1 G difference and thereby is the least polan? Få 10 323.49 B) (84 5% *ILI) -) 48. (A) 6. NET 2 > 2 D) 58. (D) 62. (B) 69. NO+ D Obind (219) O 发 (A)SeF (B)Seci (QKBr (D/NaCl (E)KAT. 11 The compound Sio does not exist as a discrete molecule while CO2 does. This can be explained because ly 2 ep 3 15 aly zp (A)the Si–O bond is unstable (B)The Lewis structure of SiO has an even number of electrons (C)The SiO2 is a solid while CO, is a gas (D)the 3p orbital of the Si has little overlap with the 2p of the 0 (E)none of the these. V MOJT 515 1 - 4 40 (成大】 Yi (4 0 atom) (86 58*A] 7. In order to explain the valence observed for many of the elements 0 -Si-O in terms of electron configurations, it is often useful to look at electronis staies slightly different from the ground state in comparing 0-41-0 the ground state of boron with the state more useful to describe 0 bonding, the number of unpaired electrons goes from (A)1 to 2 (B)1 to 3 (C)3 to 4 (D)3 to 5 (E)none of the above. (集 (80 清大B) Which of the following compounds should not exist? ( (, 【85 成大A】 alf 566-32 Cle 32-8-24 2-89 cild 14 1 he atoms 83 中興A) mm bove. B 29 p. 1 1 be a ) \CHE > ? (A)Na,P (B)(NH4),PO, CIPO. DPH xH)POCI,, Maspal sput 中興A] Pa zorgt O 15412 = 1) O-P- 5 5+12= 1) 10-4 - 13 13-12=1 -- cl-P-0

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英文 高中

想請問第六題(劃線部分)為什麼是選when? 原選項:6. (A)which (B)what (C)where (D)when

* a myth. It relates that a 5. warrior starved in Heaven for not honoring his ancestors* while alive. During this festival, the Bengali perform ceremonies for their ancestors to achieve peace. Another country that honors the dead is Nepal* / Here Gai Jatra, lasting for eight days in July or August, is a festival 6 cows are paraded throughout the town by families who lost someone the year before. This is a way to remember the lost ones since cows are considered sacred. Lastly, another unique country is Madagascar*. Betind the Fhk%}èoncept of Famadihana is an unusual celebration. The Malagasy people believe that spirits cannot rest 18.) the body is fully decomposed. Perherefore, every seven years, they { Chenge to the cemetery ) and dig up bodies to spray with perfume, wrap in silk, and parade around with music. 10._this is offensive* to Westerners, it is honorable here. Although death is a universal fate we all share, how we deal with it can be largely dependent on live in the world. 註:Bengal 孟加拉地區(包含孟加拉及印度西孟加拉邦) ancestor 祖先 Nepal 尼泊爾 Madagascar 馬達加斯加 offensive 冒犯的 (0) 1.(A) regardless of (B) except for (C) instead of (D) in addition to (A) 2.(A) mourned (B) preferred (C) awaited (D) restored (b) B ) 3.(A) he (B) those (C) anyone where you a person rinated an

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