年級

問題的種類

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

待回答 回答數: 0
英文 高中

求解第2.4.8題 謝謝!

finally 14. 全新試題 the structure collapsed. With only was at this moment that all of them suddenly became very to build the tallest structure. Just before time ran out, they successfully built inches high, winning the challenge. Thanks to this experience, Scott and his teammates finally came to understand the true spirit of teamwork. (D) had been (A) 5. (A) In order B 16. (A) constru co 7. (A) Still a ( 08. (A) since (B) 9. (A) mate ) 10. (A) (A) has been get (A) 10 AD B) 2. (A) encouraged C) 3. (A) to B) 4. (A) stable D) 5. (A) From B)6. (A) plans i CS 7. (A) what Dx8. ) (A) Unfortunately 9. (A) mention C10. (A) look after (C) is being (C) encourages (C) as (C) enjoyable (C) Into (C) to plan (C) who (C) Normally (C) achieve (C) figure out (B) will be (B) encouraging (B) of (B) capable (B) Among (B) planning (B) which (B) Especially (B) promise (B) call for IV. 文意選填 ※第一篇 (D) encourage (D) for (D) probable (D) With (D) planned (D) when (D) Slightly (D) adjust (D) run into (A) whereas (F) conduct Every that prescrit features of Rules members ※第四篇 1. Hi, my name is Tom Wujec. Let me introduce myself first. I was born in Canada, and I from the University of Toronto with degrees in astronomy and psychology. Chances are you don't know me, but I guess you probably have heard of the Marshmallow Challenge 2. was created by me. Since its invention, it 3. around the world by people from all walks of life. 4. my surprise, it has produced some unexpected results. 5. better understand the results and their though, th Rul in the M implications, I conducted a study and got some interesting findings. One of them was that the average a tape,

尚未解決 回答數: 1