how to find the oxidation number of a compound?
係咪應該計oxygen的o.n.先?
跟住應該計邊種?
eg. [K Cl O3]
點解係oxygen then K then Cl ?
收錄日期: 2021-04-12 18:06:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061018000051KK03679