百度试题 结果1 题目Among the following substances, which have both ionic and covalentbonds ( ) A KCl B CO C Na2SO4 D NH4+ 相关知识点: 试题来源: 解析 C 解析见答案 反馈 收藏
Among the following substances, which have both ionic and covalent bonds ( )A.KCl B.CO C.Na2SO4 D.NH4+点击查看答案&解析 手机看题 你可能感兴趣的试题 单项选择题 风扇传动带松弛,会导致水泵泵水量不足、发电机电量过小等不良后果。 A、正确 B、错误 点击查看答案&解析 手机看题 单项选择题 ...
Which of the following covalent bonds has the largest dipole moment?()A C-CB C-HC C-O
Smalø HS, Uggerud E (2013) Breaking covalent bonds using mechanical force, which bond breaks? Mol Phys 111:1563–1573Smalo HS, Uggerud E. Breaking covalent bonds using mechanical force, which bond breaks? Mol Phys. 2013;111:1563-1573....
Two atoms can share one or more valence electron pairs to create a single or higher order covalent bond. Examples include the single covalent bond of the dihydrogen molecule H2, or the double covalent bond of the dioxygen molecule O2. These are also examples of coval...
百度试题 结果1 题目15 Which substance does not contain four covalent bonds? A diamond B graphite C carbon dioxide D. methane 相关知识点: 试题来源: 解析 C 反馈 收藏
Which of the following bonds has the highest bond energy ? View Solution Nitrogen , oxygen and fluorine are the highly electronegative elements. When they are tied to a hydrogen atom to form covalent bond, the electrons of the covalent bond are shifted towards the more electronegative atom.This...
ausing the instrument 使用仪器 [translate] aDo not enter the hazard area between the header and the machine. 不要进入危险区在倒栽跳水和机器之间。 [translate] aCovalent bonds, which can be reversibly cleaved 共价键,可以反演性地被劈开 [translate] ...
Among the following particles, which contains both ionic and covalent bonds is ( )A.Ca(OH)2 B.H2O2 C.Na2O D.MgCl2点击查看答案&解析 手机看题 你可能感兴趣的试题 单项选择题 产品质量是产品的一组()满足顾客和相关要求的能力。 A、固有特性B、性能特性C、专门特性D、时间性 点击查看答案&解析 手机...
37 Which statement about a molecule of ethane is correct? C A An ethane molecule has at least one double covalent bond B It has C-H and C-O bonds. C An ethane molecule has seven covalent bonds. D Its bonds are formed by the transfer of electrons. 相关知识点: 试题来源: 解析 C...