Dot and Cross Diagram,即点叉图,是一种用于表示离子或共价化合物或元素中外层电子排列的图示方法。在这种图示中,电子用点(dot)和叉(cross)来表示。点叉图主要用于化学领域,帮助学生和研究者直观地理解分子或离子的电子结构。 Dot and Cross Diagram的用途和应用场景 Dot and C...
在铵离子中,氮原子的4个外层电子与4个氢原子的4个外层电子形成4个共价键。 铵离子 (NH₄⁺) 由一个氮原子和四个氢原子组成。氮原子有五个外层电子,但失去一个电子形成离子键,因此只有四个外层电子参与成键。每个氢原子有一个外层电子。氮原子与四个氢原子形成四个共价键,每个共价键由一个氮原子电子和一...
网络电子式;点叉式 网络释义
(b)(i) Draw the 'dot-and-cross' diagram of NH,Cl. Show outer electrons only.[1](i) State the hybridisation of the nitrogen atom and suggest the H-N-CI bond angle in the NH2Cl molecule.hybridisation of N.H-N-CI bond angle[1] ...
Draw a ‘dot-cross’ diagram of the carbide ion.选择语言:从 到 翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 画一个点交叉硬质合金离子图。 翻译结果2复制译文编辑译文朗读译文返回顶部 移动' 碳化物离子的点十字形的图表。 翻译结果3复制译文编辑译文朗读译文...
12.dot one's i's and cross one's t'sto pay meticulous attention to detail [Old Englishdotthead of a boil; related to Old High Germantuttanipple, Norwegiandott,Dutchdottlump] ˈdottern dot (dɒt) n (Law)civil lawa woman's dowry ...
(d)Complete the dot-and-cross diagram to show the electron arrangement in a molecule of ammonia. Show outer shell electrons only.H N H H 相关知识点: 试题来源: 解析 pair of bonding electrons between each N and Htwo unpaired electrons on N AND no extra electrons on the H ...
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11 The ion [MH4]t can be represented by the "dot and cross" diagram shown below.H+XX HXM H XH Only the valence electrons of each element are shown.In which group of the Periodic Table does element M belong to? C All B 川C VD VI 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
Hence, the dot-and-cross diagram correctly depicting the arrangement of bonding electrons in a nitric acid molecule is option (A). Nagwa is an educational technology startup aiming to help teachers teach and students learn.