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Do you know the properties of nitrogen?

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Do you know the properties of nitrogen?

Post  gill on Mon Dec 13, 2010 9:47 pm


Nitrogen is a nonmetal, with an electronegativity of 3.04. It has five electrons in its outer shell and is therefore trivalent in most compounds. The triple bond in molecular nitrogen (N2) is the strongest. The resulting difficulty of converting N2 into other compounds, and the ease (and associated high energy release) of converting nitrogen compounds into elemental N2, have dominated the role of nitrogen in both nature and human economic activities. Unstable allotropes of nitrogen consisting of more than two nitrogen atoms have been produced in the laboratory, like N3 and N4. Under extremely high pressures and high temperatures (2000 K), as produced using a diamond anvil cell, nitrogen polymerizes into the single-bonded cubic gauche crystal structure. This structure is similar to that of diamond, and both have extremely strong covalent bonds. N4 is nicknamed "nitrogen diamond."

cat

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Re: Do you know the properties of nitrogen?

Post  Mary_J on Mon Dec 20, 2010 4:49 pm

gill wrote:
N4 is nicknamed "nitrogen diamond."

cat

interesting...

The most common impurity in diamond is nitrogen, which can comprise up to 1% of a diamond by mass

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