元素週期周期表
回答 (1)
2007-01-21 7:43 pm
✔ 最佳答案
Sodium is alkali metal. As sodium is located in group 1 of the periodic table. All metals in group 1 are alkali metals. The reactivity increases down the group.對sodium的介紹可以去:
http://zh.wikipedia.org/w/index.php?title=%E9%88%89&variant=zh-tw
收錄日期: 2021-04-23 18:57:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070121000051KK01220