作业帮英语翻译过渡元素是指元素周期表中d区的一系列金属元素,又称过渡金属.一般来说,这一区域包括3到12一共十个族的元素,但不
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英语翻译
过渡元素是指元素周期表中d区的一系列金属元素,又称过渡金属.
一般来说,这一区域包括3到12一共十个族的元素,但不包括f区的内过渡元素.“过渡元素”这一名词首先由门捷列夫提出,用于指代8、9、10三族元素.他认为从碱金属到锰族是一个“周期”,铜族到卤素又是一个,那么夹在两个周期之间的元素就一定有过渡的性质.这个词虽然还在使用,但已失去了原意.过渡金属元素的一个周期称为一个过渡系,第4、5、6周期的元素分别属于第一、二、三过渡系.
过渡元素是指元素周期表中d区的一系列金属元素,又称过渡金属.
一般来说,这一区域包括3到12一共十个族的元素,但不包括f区的内过渡元素.“过渡元素”这一名词首先由门捷列夫提出,用于指代8、9、10三族元素.他认为从碱金属到锰族是一个“周期”,铜族到卤素又是一个,那么夹在两个周期之间的元素就一定有过渡的性质.这个词虽然还在使用,但已失去了原意.过渡金属元素的一个周期称为一个过渡系,第4、5、6周期的元素分别属于第一、二、三过渡系.
Transition elements refer to a series of metallic elements that are in the D area of the periodic table and they are also called transition metals.
Genarally speaking,this area altogether includes 10 families of elements,from the 3rd family to the 12th one,however,it doesn't include the F area's inner transition elements.The noun“transition element”was first advanced by Mendeleyev,using the word to refer to the 8th,9th and the 10th families' elements.He thought that it was a cycle from alkaline metals to manganese family and it was another one from copper family to halogen family.So it must exist transition nature between the two cycles.Although this word is still being used,it has lost its original meaning.A cycle of transition metals is called a transition system.The 4th,the 5th and the 6th cycles' elements seperately belong to the 1st,the 2nd and the 3rd transition system.
Genarally speaking,this area altogether includes 10 families of elements,from the 3rd family to the 12th one,however,it doesn't include the F area's inner transition elements.The noun“transition element”was first advanced by Mendeleyev,using the word to refer to the 8th,9th and the 10th families' elements.He thought that it was a cycle from alkaline metals to manganese family and it was another one from copper family to halogen family.So it must exist transition nature between the two cycles.Although this word is still being used,it has lost its original meaning.A cycle of transition metals is called a transition system.The 4th,the 5th and the 6th cycles' elements seperately belong to the 1st,the 2nd and the 3rd transition system.
英语翻译过渡元素是指元素周期表中d区的一系列金属元素,又称过渡金属.一般来说,这一区域包括3到12一共十个族的元素,但不
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