某元素其游離能如下: IE1=138 cal/mol,IE2=434 cal/mol,IE3=656 cal/mol,IE4=2767 cal/mol,則此元素之價電子數有幾個?
(1)1
(2)2
(3)3
(4)4
完全沒概念請交我判斷 拜託囉
收錄日期: 2021-04-13 18:51:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120727000010KK04539