問題詳情
25. 有關電子組態的敘述，何者正確？
(A)當主層量子數為 2 時，則可容納 8 個電子
(B)當主層量子數為 2 時，則電子可以填入 d 軌域
(C)當角動量量子數為 2 時，其次殼層含有 5 軌域
(D) Mg 原子的電子組態為 1s2 2s22p63s1
(E)氧(O)原子有 2 個未成對電子
(A)當主層量子數為 2 時，則可容納 8 個電子
(B)當主層量子數為 2 時，則電子可以填入 d 軌域
(C)當角動量量子數為 2 時，其次殼層含有 5 軌域
(D) Mg 原子的電子組態為 1s2 2s22p63s1
(E)氧(O)原子有 2 個未成對電子
參考答案
答案：A,C,E
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
內容推薦
- 【題組】(A) fantasies (B) modules (C) depositions (D) paradoxes (E) pretexts
- 【題組】(A) investment (B) bankruptcy (C) failure (D) status (E) misfortune
- 二、多重選擇題：(每題 3 分，共 60 分)下列化合物的配對，哪些可以形成緩衝溶液？(A) HCl 和 NaOH (B) HCN 和 NaCN(C) HNO2和 KNO2 (D) KH2PO
- These cuts have impinged on the region’s largest employers.(A) alleviated (B) affected (C) aboun
- When Rosemary Holland, 33, with a young daughter, learned she had breast cancer, she made adiffi
- 將 0 克的 H2完全反應，下列敘述何者正確？(A)若反應生成 NH3需 4 × 1024個 N2分子(B)可生成 08 × 1025個 NH3分子(C)若反應生成 H2O 需
- 下列有關元素之週期性的敘述，何者正確？(A) N 原子的原子半徑大於 C 原子(B) Na 原子的原子半徑大於 Li 原子(C) N 原子的游離能大於 C 原子(D) O 原子的游離能大於 N
- 液體 A 的蒸氣壓為 x，而液體 B 的蒸氣壓為 y，已知 x ＞ y。如果溶液上方的蒸氣為 50% A，則液體混合物中 A 的莫耳分壓為何？(A) y/(2x + 2y) (B) y/(x
- Although he had trouble finding a suitable publisher because of his cumbersome writing style, hi
- The lunch menu is very short. It’s _____ than the dinner menu.(A) varied (B) much varied (C) mor
內容推薦
- 【題組】(A) to be complacent with status quo (B) to be indulging in daydreaming(C) to be desperate a
- 【題組】(A) has supervised (B) has overshadowed (C) has imposed(D) has castigated (E) has retroacted
- _____, the history of civilization would have to be rewritten.(A) If the artists and creative th
- It is not clear whether hybrid cars will be a panacea for the world’s environmental issues, but
- The couple were so _____ that they couldn’t afford to give one another even token Christmasgifts.
- 以下哪些化合物具有與苯乙烯 C8H8相同的質量百分比組成？(A) C6H6 (B) C2H2(C) C4H10 (D) C6H14(E) C4H4
- 下列有關酸、鹼與鹽的敘述，何者正確？(A)酸可以和金屬反應產生氫氣 (B)鹼可以和油脂反應(C) pH 值的表示法為 log[H3O+] (D)溶液中的 pH 與 pOH 值之和為 14(E)
- The pleasure of being liked and, still more, _____, was what kept Eugene from despair; for it wa
- The meeting was interminable; the manager just kept pressing others into agreeing with him andwo
- A Thanksgiving turkey is often mistakenly cited as the culprit for after-dinner _____ feeling off
- 【題組】(A) the same as (B) in contrast to (C) by means of (D) in league with (E) on a par with
- 下列哪些因素會影響化學反應速率？(A)活化能 (B)溫度(C)反應物濃度 (D)粒子大小(E)催化劑
- Oscar Wilde, the famous Irish novelist and playwright, once said, “When I was young, I _____thin
- It will take several years before the economy will rebound after such a downturn that has impact
- 依勒沙特列原理，對於化學反應 aNH3(g)+ bO2(g)⇌ cNO(g)+dH2O(g)+熱量，則下列敘述何者反應向右進行？(A)增加 O2的濃度 (B)縮小反應容器體積(C)除去 H2O
- 五、某工廠採用兩個並聯至電源的負載，其受電電壓為 5000 V rms。其中一個負載為加熱用，功率為 30 kW，另一個負載為電動機組，150 kVA，功率因數為 0.6 落後。試求總電流與工廠的功率
- 下列分子式中，可能有三種異構物者有哪些？(A) C5H12 (B) C3H6(C) C3H6O (D) C3H6O2(E) C3H8O
- 反應速率常數會受到以下何者的影響？(A)溫度 (B)碰撞將有足夠能量引起反應的可能性(C)碰撞的方向 (D)碰撞頻率(E)不同濃度的反應物
- 以下何者含有極性共價鍵與離子鍵？(A) Ca(CN)2 (B) NH4ClO3(C) CH3OH (D) KOH(E) CsC2H3O2
- 【題組】(A) hone new skills (B) catch a glimpse (C) conform to conventions(D) beat the clock (E) gri
- 【題組】(A) jump the lights (B) grind into a pulp (C) hit the sack(D) grab a bite (E) become a norm
- Questions 21-25The shift from silent to sound film at the end of the 1920’s marks, so far, the most
- Questions 31-35Imagine storing digital data in DNA, wearing a device that makes you smarter or creat
- Questions 26-30It is often remarked that, since the 1960s, the speed and processing power of compute
- Questions 39-40The word placebo refers to a fake medication, one that contains no active ingredients