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10. (10 pts) Define ‘empirical formula’ and ‘molecular formula’ of a compound.
問題詳情
10. (10 pts) Define ‘empirical formula’ and ‘molecular formula’ of a compound.
參考答案
答案:C
難度:簡單0.826484
統計:A(136),B(49),C(905),D(5),E(0) #
個人:尚未作答書單:評鑑、Bloom認知領域目標、精熟學習
用户評論
【用戶】
Ellie Chang
【年級】小六下
【評論內容】c才對吧
【用戶】
我愛阿,阿愛我
【年級】
【評論內容】c+1
【用戶】
雪精
【年級】幼稚園下
【評論內容】原本答案為A,修改為C
上一篇 :
4.(10pts) Which charge(s) for the N2 molecule would give a bond order of 2.5?
下一篇 :
【題組】3.有關該地區居民生活方式的特性,下列哪三項是正確的?(甲)該民族可說是大地的清道夫;(乙)採行原始的游耕活動;(丙)屬於部落社會型態;(丁)生活方式主要受人文環境影響;(戊)居民活動對自然環
資訊推薦
【題組】(b) OF2
4.設n次多項式f (x) 除以x-1,x+1,x-2的餘式分別為3,1,-2,求f (x) 除以( x-1 ) ( x+1 ) ( x-2 ) 所得的餘式= (4) (展開)
5.(10pts) What are three-centered bonds?
1. 已知A-a為完全顯性遺傳,B-b為半顯性遺傳,且A、B不位在同一對染色體上,親代為AaBb自交,可產生子代基因型有幾種?外表型有幾種? (A)9,4 (B)9,6 (C)6,4 (D)4,4。
60. 阿發想買藍色與黑色兩種鋼筆,如果兩種鋼筆總共至多買 15 枝,而且藍色鋼筆的數目不超過黑色鋼筆數目的 2 倍,又藍色鋼筆最少買 6 枝、黑色鋼筆最少買 4 枝,有幾種可能的買法?(A) 6 種
【題組】 (c)NH2-
【題組】19.Why did the British and German soldiers sing patriotic songs?(A)To kill the long and boring t
6.(15pts) Draw the following.【題組】(a). cw-hexene
12.Americans ____ a very high percentage of the world's energy.(A)venture (B)launch (C)compile
【題組】(d) H2O
【題組】20.What happened in No Man's Land on Christmas Eve?(A)There was a lot of violent and bloody
【題組】(b(. cis-2,3-dichloro-2-pentene
13.Afraid and disappointed, Serena ____ needed someone to give her a hand.(A)desperately(B)cautiousl
50.有一種電路保護裝置如【圖 50】所示,鐵芯左側線圈 L1 是由火線和中性線平行環繞而成。當右側線圈 L2 中產生電流時,電流經放大器放大後,使電磁鐵吸起鐵質開關 K,從而切斷使用中的電路。下列敘
【題組】(e)C2H2
5.若α,β,γ為x3-2x2+3x-4=0的三個根,試求:【題組】(a) α2+β2+γ2= (5)
7. (5 pts) Which one of the following types of radiation has the shortest wavelength,the greatest en
14.Improving medical science has ____ the need for many patients to spendlong periods of time in hos
9. (5 pts) How many electrons are involved in pi bonding in benzene,C6H6?【題組】(a) 12
II. Level 4:15%21. The haunted castle is ________ into a hotel and now becomes one of the most popul
15.To get admitted into this university, you need to fill out the ____ form inChinese and in English
【題組】(b) (α+β) (β+γ) (γ+α)= (6)
22. The scientist was awarded a Nobel Prize for his _____ achievement in the field of biotechnology.
29. The editor of Apple Daily considers the banning of its newspaper in schools a _______ of media f
23. The movie Avatar achieved _____ box-office success, selling more than $73 million dollars in its