Transition Element
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Transition Element

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Chemistry presentation by my b

Chemistry presentation by my b

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  • 1. 14.9 过度元素 Transition Metal
  • 2. What is 过渡元 过渡元素是元素周期表中从ⅢB族到VⅢ族的化 素?? 学元素 。 这些元素在原子结构上的共同特点是价电子依 次充填在次外层的 d 轨道上。 过渡元素都是金属,也称为过渡金属,位于周 期表中部,原子中d或f副层电子未填满。 根据电子结构的特点,可分为:外过渡元素及 内过渡元素两大组。 Page  2
  • 3. 过渡元素的特征  2      Page  3 2 s +2 3d 3d +1
  • 4. 第四周期过渡元素 Sc Ti Cu Cr Fe V Zn For PowerPoint 97-2010 Page  4 Mn Ni Co