nonpolar The arrangement of atoms in a molecule helps determine its polarity. A molecule is said to be polar, if it has a positive and a negative charge. A non-polar ... 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 »