如果有題目問:state the electronic arrangements of the atoms of sodium and potassium.
咁我應該用圖(electron diagram)定係number嚟表示?
(用中文答)
thx!
收錄日期: 2021-04-13 19:16:58
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071225000051KK04172