ionic bond中文 Further study is needed before the origin of the covalent bond can be considered a settled question . 需进一步深入研究方能解决共价键的起源问题。Both ionic and covalent bonds arise from the tendency of atoms to attain this stable configuration of electrons . 相關軟體 Polarity 下載 Netscape Navigator 網路瀏覽器 建構在Firefox2.0上的獨立型瀏覽器。 自動修正網址輸入錯誤的功能。 ... 了解更多 »