"alkalai metals" , " alkaline earfs " , " lanthanide " , " actinide" . "transition metals" ,
"halogens" 是甚麼？
一條科學問題
2007-05-06 1:48 am
回答 (1)
2007-05-07 11:20 pm
✔ 最佳答案
alkali metals : all Group I elements in periodic tablealkaline earth metals : all Group II elements in periodic table
lanthanide : elements with atomic number 58-71 in periodic table
actinide : elements with atomic number 90-103 in periodic table
transition metals: elements between Group II and Group III in periodic table
halogens : all Group VII elements in periodic table
參考: me*
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