已知[Co(NH3)6]2+的△o<P,而[Co(NH3)6]3+的△o>P,解释变化原因,并用稳定化能推算出二者的电子构型和磁性。
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Cyano complexes of transition metal ions such as Fe2+ and Cu2+ are often yellow in color while aquo complexes are often green or blue.How to explain this difference in color?
只考虑π→π*跃迁,推测下列化合物中哪一个能吸收波长最长的光,哪一个能吸收波长最短的光。
从能带理论看,半导体和绝缘体的差别在于_______,Si、Ge等半导体的禁带宽度约为______。