医用化学（山东联盟）_智慧树知到答案2021年

第七章 有机化合物概述：有机化学的历史背景及其研究内容和意义、键线式的绘制及其识读7.1有机化学的意义和研究内容:有机化学的意义和研究内容
7.2键线式的识读和绘制:键线式的识读和绘制

[单选题]neutral carbon atoms always have a total of four bonds

选项:[对, 错]
[单选题]The number of carbon atoms in the following drawing is 5.

选项:[对, 错]
[单选题]The number of carbon atoms in the following drawing is ( )

选项:[6, 5, 4, 7]
[单选题]When drawing each carbon atom in a zigzag, try to draw all of the bondsas far apart as possible:

选项:[对, 错]
[单选题]carbon atoms in a straight chain are drawn in a zigzag format

选项:[错, 对]
[单选题]For  the following reaction, clearly state what change has taken place

选项:[eliminated two H , substituted by two H , eliminated one C, added two H]
[单选题] In bond-line drawings, we don't draw any H’s that are connected to atomsother than carbon.

选项:[对, 错]
[单选题]The nitrogen atom in the compound below has a positive charge:

选项:[错, 对]
[单选题]This reaction undergoes an elimination process.

选项:[对, 错]
[单选题]

选项:[错, 对]