1. Si and Cl
2. C and O
3. F and O
4. N and H
My answers:
1. SiCl(4)
2. C(2)O(4)
3. FO
4. NH(3)
括號內既係subscript
更新1:
TO: 樓下兩位... 點解第2 係CO2 既? thanks
TO: 樓下兩位... 點解第2 係CO2 既? thanks
收錄日期: 2021-04-23 15:47:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061030000051KK00708