百度试题 结果1 题目5 Which circled pair of electrons represents a co-ordinate bond? B AB CD CQ C●●×O CO C=×X X O 相关知识点: 试题来源: 解析 B 反馈 收藏
An ionic bond is a bond between: a. a cation and an anion b. the ions of two different nonmetals c. the ions of two different metals d. valence electrons and cations Which of the following pairs of elements is predicted to form...
Which type of bond shares electrons equally? Is a Te-Br bond ionic, polar covalent, or nonpolar covalent? Is a Br-F bond ionic, polar covalent, or nonpolar covalent? What is covalent bonding? Define it. Define covalent bond. Does the compound Cu2S have an ionic bond or a...
aCompare the magnitude of intermolecular forces of H2O and O2: [translate] aThe hydrogen bond is a weak bond,but than van der Waals force is strong.H2O has two hydrogen atoms.The oxygen atom has two lone pairs of electrons, which is easy to other hydrogen atoms to form hydrogen bonds, ...
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Which type of bond shares electrons equally? Do some covalent bonds have an 'ionic character'? Explain. Is a bond formed between two fluorine atoms nonpolar covalent, polar covalent, or ionic? Explain. (a) What is a chemical bond? (b) How are ions formed? ___ is a chemical b...