問題詳情
20. 若某元素的原子序以X表示，價電子數以Y表示，下列有關原子序與價電子數的組合 (X , Y)，哪一項正確？
(A) (5, 5)
(B) (10, 10)
(C) (20, 10)
(D) (15, 5)
(A) (5, 5)
(B) (10, 10)
(C) (20, 10)
(D) (15, 5)
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
內容推薦
- 二、綜合測驗 （ 占 1 5分 ）說明︰第16題至第30題，每題一個空格，請依文意選出最適當的一個選項，請畫記在答案卡之「選擇題答案區」。各題答對者，得1分；答錯、未作答或畫記多於一個選項者，該題以零
- 【題組】(A) advantages (B) considerations (C) opportunities (D) responsibilities
- 有關小兒麻痺患者於患病後肌力恢復進程之敘述，下列何者正確？(A)小兒麻痺於發病初期即可預測其肢體麻痺的部位及程度(B)肌力之復原為動作單元內同時進行去神經化及神經再支配之情形，而最後達到穩定(C
- 下列哪一個化學物質擁有鍵長最短的化學鍵？(A) NH3 (B) NF3 (C) NCl3 (D) NBr3
- To reach the goal of making her company a market leader, Michelle _____ a plan to open ten new st
- The young generation in this country has shown less interest in factory work and other _____ lab
- 【題組】(A) else (B) those (C) other (D) such
- 有關急性脊髓灰質炎（acute poliomyelitis）之敘述，下列何者正確？(A)多數病毒會影響脊髓後角細胞，使其去髓鞘化，致使神經支配肌肉失能(B)病毒會在感染初期造成喉嚨痛、疲倦、嘔吐
- 已知草酸可用以標定碘溶液與氫氧化鈉溶液。則下列哪一試劑也具有與草酸類似的功能？(A)硫酸 (B)鹽酸 (C)維生素C (D)胺基酸
- Many people were happy that the government had finally _____ Children’s Day as a national holiday
內容推薦
- 【題組】(A) Due to (B) Nothing but (C) In contrast to (D) On behalf of
- 【題組】(A) continue (B) continuing (C) to continue (D) continued
- This TV program is designed for children, _____ for those under five. It contains no violence or
- 供放射治療設備測量輻射劑量用之裝置，其材質必須接近下列何者？(A)人體空腔組織(B)人體軟組織(C)人體骨頭組織(D)人體牙齒組織
- 根據桑德蘭（Sunderland）的周邊神經損傷分類，達何種等級就可能需要進行手術治療？(A)II(B)III(C)IV(D)V
- 第 26 至 30 題為題組Researchers from a university in Japan have developed “diet-glasses” that play tricks
- 15 下列反應的主要產物為： (A) (B) (C) (D)
- Tommy, please put away the toys in the box, or you might _____ on them and hurt yourself.(A) stum
- 直線加速器每月的品保工作應保持劑量輸出誤差在多少%內？(A)5(B)3(C)2(D)1
- 有關骨盆底肌運動（即凱格爾運動法）的訓練，下列何者錯誤？(A)可利用電刺激興奮較無力的骨盆底肌收縮(B)在咳嗽時進行瞬間收縮骨盆底肌與維持骨盆底肌收縮的練習(C)應於每次如廁時練習收縮骨盆底肌以
- 【題組】(A) this (B) that (C) some (D) other
- 【題組】(A) Precisely (B) Eventually (C) Additionally (D) Literally
- The _____ costume party, held every September, is one of the biggest events of the school year.(
- 歐洲的自然條件優越，人口分布平均，無人口特別集中或稀疏的現象。請問：該地區有利人口平均分布的地形主體為下列何者？(A) (B)(C) (D)
- 已知週期表上原子序2~20中的元素所含的中子與質子的數目約略相同。若元素X的質量數為19，試問X最可能為下列哪一個元素？(A) N (B) O (C) F (D) Na
- 【題組】(A) beforehand (B) likewise (C) instead (D) therefore
- 【題組】(A) come to an end (B) go to great lengths (C) put in service (D) hold in store
- In a job interview, attitude and personality are usually important _____ that influence the deci
- The new manager is a real gentleman. He is kind and humble, totally different from the former man
- 針對老年人五官感覺的改變，教導其運動應注意事項，下列何者錯誤？(A)視力變模糊且對強光敏感者，儘量勿在大太陽下運動(B)對重聽者，說話要提高音量及頻率(C)對疼痛感覺較不敏感者，勿過度牽張肌肉關
- 【題組】(A) prettier (B) larger (C) healthier (D) tastier
- 【題組】(A) fictional (B) essential (C) ancient (D) subjective
- The snow-capped mountain is described so _____ in the book that the scene seems to come alive in
- The weather bureau _____ that the typhoon would bring strong winds and heavy rains, and warnedeve
- 【題組】(A) impress (B) release (C) bother (D) attract