a)CO3^2-
b) CO2
c)NO2+
I know for sure that it's not B) but I'm not sure about the other ones
收錄日期: 2021-04-18 17:54:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20171006071322AAMcCgS