Posted by Sara on Monday, March 30, 2009 at 8:11pm.
Don't you recognize that NH3 is a gas at room T and P is a solid at room T?
my teacher wants me to use the characteristics of aggregrate i know that NH3 is a polar molecular and i think P4 is a network aggregrate and i to use this information to answer this question?
Sara: you miss DrBob's point. If one is a gas at room temp, and the other solid, then the solid has to have a higher melting point. Somehow there must be a great divide here on this question.
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