Question
Thu January 26, 2012 By:
 

why do covalent compounds exist as liquids or gases at room temperature ?

Expert Reply
Thu January 26, 2012
This is due to weak inter-molecular attractions between the molecules.This is because covalent compounds form distinct molecules, in which the atoms are bound tightly to one another. Unlike in ionic compounds, these molecules don't interact with each other much (except through relatively weak forces called "intermolecular forces"), making them very easy to pull apart from each other.
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