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What is the structure of NaN3? Why is N2 gas, and P solid at STP?

  1. Jun 11, 2007 #1
    Here are the two questions:
    1)What is the structure of NaN3?
    2)Why is nitreogen gas whereas phosphorus is solid?

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  2. jcsd
  3. Jun 11, 2007 #2
    1. [itex][N=N=N]^- Na^+[/itex] (I goggled this.)
    2. I don't know.
  4. Jun 11, 2007 #3
    What is the crystal structure, or what is the 3D structure.

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  5. Jun 12, 2007 #4
    Malay, when I answered your first question, it was before this thread was moved to the homework help area. In this area, we are requested not to give out answers, but to help you to find the answer yourself. What steps have you taken to find an answer, and what progress have you made?
  6. Jun 12, 2007 #5
    1)I was not able to find the bonding in NaN3 either by VB theory or by MO theory, but I guessed that it should be ionic and hence should have crystal structure.
    2)I studied about existence of nitrogen molecules and phosphorus molecules but could not deduce anything relevant to the question.

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  7. Jun 12, 2007 #6
    What kind of intermolecular forces exist between Nitrogen and Phosphorous? Is it Van Der Waal? Permanent Dipoles? Ionic?
    Well, i'll answer that... It's van der waal foces....
    but what is the difference between these two molecules? of how much atoms does nitrogen consists and of how much atoms does phosphorous consist in one molecule?

    If phosphorous exists in solid state, therefore, its van der waal forces should be stronger... what causes this? what increases the van der waal forces?
  8. Jun 12, 2007 #7
    I think taht large size of the phophorus molecule may increase the van der waals forces.

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