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单选题 分子结构式结构式主要表示What does structural formulas indicate
学科：化学概论（普通化学I、无机及分析化学、基础化学)
时间：2025-12-20 23:51:06
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题目1单选题
比例模型主要说明What do space-filling models mainly indicateA. 分子中原子在三维空间的相对位置.The relative positions of atoms in a molecule in three-dimensional spaceB. 分子中原子之间的连接方式.(化学键成键情况) How the atoms in a molecular are connected to one anotherC. 分子中原子的种类和个数. The identity and the number of atoms in a moleculeD. 整个分子的形状. The overall shape of molecules
题目2单选题
分子式表达 What does molecular formulas showA. 分子中原子在三维空间的相对位置. The relative positions of atoms in a molecule in three-dimensional spaceB. 分子中原子之间的连接方式.(化学键成键情况) How the atoms in a molecular are connected to one anotherC. 分子中原子的种类和个数. The identity and the number of atoms in a moleculeD. 整个分子的形状. The overall shape of molecules
题目3单选题
分子结构式结构式主要表示What does structural formulas indicateA. 分子中原子在三维空间的相对位置. The relative positions of atoms in a molecule in three-dimensional spaceB. 分子中原子之间的连接方式.(化学键成键情况) How the atoms in a molecular are connected to one anotherC. 分子中原子的种类和个数. The identity and the number of atoms in a moleculeD. 整个分子的形状. The overall shape of molecules
题目4单选题
球棍模型主要说明 What does ball-and-stick models representA. 分子中原子在三维空间的相对位置. The relative positions of atoms in a molecule in three-dimensional spaceB. 分子中原子之间的连接方式.(化学键成键情况) How the atoms in a molecular are connected to one anotherC. 分子中原子的种类和个数. The identity and the number of atoms in a moleculeD. 整个分子的形状. The overall shape of molecules
题目5单选题
青蒿素的分子式为C15H22O5,1 个分子含每种原子的个 数是多少 The molecular formula of artenisinin is C15H22O5, How many atoms are there in one moleculeA. 15 Carbons、22 Hydrogens、5 OxygensB. 1 Carbons、22 Hydrogens、5 OxygensC. 15 Carbons、2 Hydrogens、5 OxygensD. 15 Carbons、11 Hydrogens、5 Oxygens
题目6单选题
多巴胺分子中含有 C、H、N、O 等 4 种原子,每种原子的个数分别为 8、11、1、2 个,该分子式是 There are 4 carbon atoms, 11 hydrogens, 1 nitrogen, 2 oxygens in dopamine. What is the molecular formula of dopamineA. <img src="https://tihai-oss-cloud.itihey.com/img/f3f20ae288598f4bc33bf1231dd38164.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/2e6b964e9153ae1bc415eea1d27f7fe4.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/960adfe72346e0723af00ba23d84a4a0.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/af43abd2c1f13c4108a83040bd21a763.png">
题目7单选题
What is the repesenting-molecule model for phospholipid on the left below? <img src="https://tihai-oss-cloud.itihey.com/img/48a739418f087ee2df71781d3c5c6dc0.webp">A. Space-filling modelB. Ball-and stick modelC. Structural formulaD. Molecular formula
题目8单选题
What is the repesenting-molecule model for dopamine below? <img src="https://tihai-oss-cloud.itihey.com/img/ded1bd0aa2d4ec04c2c62c77f2ebcfd8.webp">A. Space-filling modelB. Ball-and stick modelC. Structural formulaD. Molecular formula
题目9单选题
What is molecular formula for dopamine below? <img src="https://tihai-oss-cloud.itihey.com/img/edeb97cbe98983d25e015aa96356dc10.webp">A. <img src="https://tihai-oss-cloud.itihey.com/img/af43abd2c1f13c4108a83040bd21a763.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/2e6b964e9153ae1bc415eea1d27f7fe4.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/960adfe72346e0723af00ba23d84a4a0.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/f3f20ae288598f4bc33bf1231dd38164.png">
题目10单选题
What is the repesenting-molecule model for dopamine below? <img src="https://tihai-oss-cloud.itihey.com/img/edeb97cbe98983d25e015aa96356dc10.webp">A. Space-filling modelB. Ball-and stick modelC. Structural formulaD. Molecular formula
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