题型:问答题 简答题 The committee was asked to render a report on the housing situation.A.furnishB.copyC.publishD.summarize 查看答案
题型:问答题 简答题 (1)某元素原子序数为24,试问:它有_______个能层?________个能级?占有___________个原子轨道? (2)用价层电子对互斥模型推测下列分子或离子的空间构型。 BeCl2 ____________;SCl2 __________;SO32-______________。 查看答案