問題詳情
一、比較下列物質之性質的大小
(1)鍵角: OFHF2-、NF3
(1)鍵角: OFHF2-、NF3
參考答案
答案:A
難度:非常簡單0.978625
統計:A(2335),B(8),C(27),D(16),E(0)
內容推薦
- There is a very____ slope before you reach the top of the mountain. You should watch out.(A) sli
- There was a________in his voice as he told his father that he flunked five subjects this semester
- 下列各化合物中被指定之原子,何者具有孤對電子?(A)P4之磷原子 (B)P4O6之磷原子 (C)H3PO2之磷原子 (D)H3PO3之磷原子 (E)H3PO4之磷原子
- 【題組】Why are white fruits and vegetables important?(A) They can help stop us from getting cancer.(
- All of us had a____ of relief when the contest was finally over.(A) reaction (B) response (C) si
- Nancy likes to grow_______ because their purple-blue color looks fantastic next to her white hou
- 右圖為非洲某地區的產業活動分布圖。請根據圖中物產分布特色加以判斷,該山脈低丘地區(1200-1800m)最主要的產業活動特性為下列何者? (A)為圖四中的丁產業 (B)兼營農牧業可分散風險 (C
- Reading Comprehension (5%) 每題 1 分 It’s common knowledge that the more fruits and vegetables you
- After numerous experiments, the doctor has made____ progress in the efforts to discover the orig
- France’s _______ industry brings in a lot of money because many foreigners flock there for sight
內容推薦
- V. Sentence pattern 15% 文意選填(請將正確答案依代碼填入空格) 每題 1 分 It was an English class and Jack fell asleep as u
- 反應 2A+4B→C, ,則 k1:k2:k3=? (A)2:4:1 (B)1:1:2 (C)1:1:1 (D)2:1:4
- 【題組】What is the main point of this passage?(A)To say how many different color categories there ar
- 【題組】(2)鍵能:HNOFCO
- 25~26:有一已磨成粉末的混合物試樣,是由下列六種物質中的數種等量組成:(A) CuS (B) KCl (C) CaCl2 (D) Na2CO3 (E) Na2SO4為了要確定該粉末試樣的成分,中一
- 一氣球自地面由靜止以 的加速度上升,g為重力加速度,4秒後由氣球上落下一小石子,則再經幾秒後著地? (A)1 (B)2 (C)3 (D)4 (E)5。
- Sorry, but I can’t go with you. I am trying to lose weight and I have to____ lunch these days.(A
- 【題組】Where might you find this article?(A) In an athletics magazine.(B) In the current events sect
- 【題組】(3)電偶極:HF、HCl、HBr、HI
- 【題組】原粉末中,一定含有哪些物質﹖(A) CuS (B) KCl (C) CaCl2 (D) Na2CO3 (E) Na2SO4
- ( )下列各種晶體所含有的鍵結種類,何者與NaOH晶體完全相同?(A) KCl (B) NH4Cl (C) CaCl2 (D) NaClO (E) HCN。
- After the air crash, the _____of the Air France 447 were finally found in the Atlantic Ocean.(A)
- III. Level 3 (15%)每題 1 分The economists were still very pessimistic and predicted that it would t
- 【題組】(4)氧—氧鍵長:H2OOO3
- 有關 SO2,SO3,SO32-,SO42-特性的比較,何者正確?(A) S-O鍵長:SO2>SO3>SO42-(B)分子形狀依序為:彎曲形、平面三角形、三角錐形、四面體形(C) 硫的混成軌域
- 三、非選擇題 (十分,請作答於答案卷)某溫度下,單質子弱酸 HA 的 Ka=0 × 10-6,取此弱酸 0.3 M 20 mL ,加入適當指示劑進行酸鹼滴定實驗:【題組】(1)若加入0.3M
- The best ______to retrieve our company is to reduce expenses.(A) timber (B) strategy (C) troop (
- As Mr. and Mrs. Williams cannot tolerate the fast-paced city life, they are considering moving t
- 如圖所示,在仰角為 θ=37 度的光滑斜面底端處垂直豎立一個光滑擋板。一個重量為120kgw的圓球靜止在擋板前的斜面上。斜面 施於圓球的力量值等於 (A)60 (B)120 (C)125 (D)1
- 甲乙丙丁四元素之原子序分別為 12 則下列的敘述何者錯誤?(A)甲、丙形成元素時其化學鍵為共價鍵。 (B)甲與丁無法形成的穩定化合物。(C)乙與丁所形成的化合物其化學鍵為離子鍵,
- 【題組】(2)若加入0.3M Ba(OH)2 10 mL,水溶液之 [ H+] 為若干? (5分)
- Living in the cities has a lot of advantages than living in the________.(A) apartment (B) submar
- Seeing her boyfriend in those funny clothes, Amanda could not____ laughing at him.(A) react (B)
- 【題組】(A) based on(B) spilled over(C) scared by (D) built in
- 有關乙烷、乙烯、乙炔,苯性質的敘述,何者錯誤?(A)碳碳間鍵長:乙烷>苯>乙烯>乙炔 (B)C 混成軌域中含 P 軌域性質大小:乙烷>苯>乙烯>乙炔(C)C-C 間鍵能大小:乙烷<苯<乙烯<乙