書寫 carbon12 係12 units(a.m.u)
我始終唔明點解relative isotopic mass 冇unit
人地話係relative value , 但唔明
我想過係咪個unit 約左, 又好似唔係
唔該解釋一下, 最好有例子, 唔好copy,
thx
收錄日期: 2021-04-23 17:38:44
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080105000051KK04718