Anonymous
Anonymous asked in 科學及數學化學 · 1 decade ago

點樣分係IMF定係bonding?LF同DDF?

如果就咁比一個sodium chloride, NaCl 你

點樣知佢係intermolecular force定係nonmolecular bonding?

我知intermolecular force係molecules之間

nonmolecular bonding係atoms之間

但係點樣可以就咁睇得出?

仲有London forces同Dipole-Dipole forces係睇polar,

係咪一定要畫圖至知po唔polar?

有冇快捷既方法?

1 Answer

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  • 1 decade ago
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    Intermolecular force only happen between molecules with covalent bond.

    substances with Ionic or metallic structure don't have it.

    When you deal with covalent substances, first you should find the shape of the molecule and then you can easily find which bonding are intermolecular force while which are nonmolecular bonding.

    Drawing picture is the easiest way to distinguish whether the molecules are polar or not.

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