問題詳情
64. Which molecule has only one resonance structure that obeys the Octet rule?
(A) NO+
(B) NO2−
(C) NO3−
(D) O3
(E) CO32−
(A) NO+
(B) NO2−
(C) NO3−
(D) O3
(E) CO32−
參考答案
無參考答案
內容推薦
- Cdiamond (s) → Cgraphite (s) ΔGo = −9 kJWhich of the following is an incorrect statement?(A) T
- 30-32【題組】Why is Music Town celebrating?(A)It is opening a larger store.(B)It is opening a new CD
- 懋生常到蔡老闆的米粉湯店消費，最近看到店裡在徵人，於是應徵成為店員。附圖為依上述畫成的經濟活動循環簡圖，下列相關說明何者正確？ (A)懋生應放在乙位置 (B)是「貨幣」的流通情形 (C)甲是生產
- 【題組】What does Billy NOT say about his sweater?(A)He likes the color.(B)He wears it to school.(C)C
- 明仁是一家電腦公司的老闆，憲雄是公司員工，月薪4萬元，憲雄近日推銷一部電腦給其好友阿亮，以5萬元成交。下列敘述何者正確？ (A)明仁是公司老闆：生產要素市場供給者 (B)憲雄是公司員工：生產要素市
- What is the charge of NO molecule if the bond order is 2?(A) +1 (B) –1 (C) 0 (D) +2 (E) –2
- 平面鏡垂直豎立在一張白紙上，在鏡前白紙上寫上「b」字，如圖1所示，則眼睛在平面鏡前方觀看「b」字在鏡中的成像為何？ (A)p (B)q (C)d (D)b。
- The decay of strontium-90 follows a first-order process and the rate constant is 0.02406 year−
- 在下列各反應式中，何者畫線物質非氧化劑？(A)3CuO+2NH3 → 3Cu+N2+3H2O(B)Zn+2HCl → ZnCl2+H2(C)K2Cr2O7+2KOH → 2K2CrO4+H2O
- X, Y 為元素態的原子，已知穩定的 X+與 Y2-離子都有 10 個電子。下列關於此兩種元素的敘述何者正確？(A)X 元素有 9 個電子(B)Y 的原子序為 10(C)元素態物質 X 在常溫
內容推薦
- The color difference between [CoCl4]2− and [Co(H2O)6]2+ can be supported by which concept?(A) Re
- For a reaction involving changes of reactant concentrations ([A]), what is the reaction order (m
- Consider the reaction Fe3+(aq) + SCN-(aq) FeSCN2+(aq). Which one of the following statements is
- 以△ABC的三中線為邊所成的三角形，其面積是△ABC面積的幾倍？(A) (B) (C) (D)
- Determine the number of nodal surfaces for a 3s orbital.(A) 3 (B) 2 (C) 1 (D) 0 (E) None of thes
- 一對夫妻準備為全家的寒假旅遊訂旅館，先生原本想上網比價、太太則說下週高雄展覽館就有旅展、屆時等旅展促銷再訂就好。根據前述對話判斷，太太的消費行為受到下列哪一項因素的影響？ (A)商品價格 (B)
- 由附圖中可知，兩人的消費行為受到下列哪一項因素的影響？ (A)個人偏好 (B)商品價格 (C)預期心理 (D)所得。
- 課堂中老師請四位同學介紹家中同住的成員，內容如圖所示。請問：下列哪位同學的家庭屬於「折衷家庭」？ (A)昊文 (B)允喬 (C)吉力 (D)可青
- 【題組】承上題，根據上述新聞，高麗菜盛產的情況可以用下圖的哪一區塊來說明？ (A)甲(B)乙(C)丙(D)丁
- 本土高麗菜爆量，又不值錢了！農民超種，進口量增逾 2萬公噸，專家表示，高麗菜超種問題年年輪迴，現有種苗控管、登記制度若成效不彰應全盤檢討且政府不是只有國內產量要控管，國外進口量也要一併控管。【題組】1
- 百貨公司清倉大拍賣，阿誠和朋友一同去血拼，想要刺激國內消費，促進經濟活動循環。下列相關敘述何者正確？ (A)努力血拼購物可以增加生產者的銷貨收入 (B)消費活動與生產活動無關 (C)政府透過各種方
- 根據附圖中子碩與若青的對話內容判斷，下列敘述何者正確？ (A)子碩應是在具體場所進行交易 (B)購買該工具的市場為生產要素市場 (C)子碩為商品市場的需求者 (D)子碩為生產要素的供給者。
- 【題組】According to the advertisement, what does Music Town NOT promise to do during the sale?(A) De
- Which “P” in the following compounds has the lowest oxidation state?(A) Phosphoric acid (B) Phos
- How many net numbers of spheres are occupied in a face-centered cubic (f.c.c.) unit cell?(A) 1 (
- Consider mixing equal volume of 0.1 M Na2CO3 solution and 0.1 M H2SO4 solution. Which statement
- 【題組】How long will the sale last?(A)A month(B)More than two weeks(C)More than one week(D)A week
- Which is the major specie for a carbonate-containing solution at pH 5? (Ka1 = 3 × 10–7, Ka2
- What is the main contribution for the negative entropy value (ΔSosoln ＜ 0) when formation of LiF
- The energy required to remove the electron from a hydrogen atom in its ground state is 178 × 1
- How many π electrons are delocalized in 1,4-diphenyl-1,3-butadiene?(A) 4 (B) 8 (C) 16 (D) 24 (E)
- To increase the value of K for the endothermic reaction as mentioned below, a chemist should____
- Based on MO theory, which molecule is not paramagnetic?(A) O2− (B) O2+ (C) O2 (D) N2 (E) N2+
- 33-35【題組】Why did the manager write this memo? (A)Employees were too slow.(B)Employees weren’t fri
- 只要能為社會大眾所共同接受，任何物品或資產都可以成為付款工具，也就形同成為一種貨幣。像戰俘營中賣方的囚犯願意以物品換取香菸，買方的囚犯也提供香菸來交換物品。請問：上述的「香菸」屬於？(A)商品貨