结果1 题目 50. In the Lewis structure for formic acid, HCOOH, how many bonding pairs and lone pairs of electrons are present?D(A) 4 bonding, 2 lone (B) 4 bonding, 5 lone(C) 5 bonding, 0 lone (D) 5 bonding, 4 lone 相关知识点: 试题来源: 解析 D 反馈 收藏
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Lewis dot structure is also known as electron dot structure. It is the structural representation of a molecule. The diagram shows the bonding between the atoms of a molecule and the lone pairs of electrons that may exist in the mo...