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<b>What is the solvent and solute in liquid nitrogen?</b>
There is neither a solvent nor solute in liquid nitrogen as it is not a solution. Liquid nitrogen is pure elemental nitrogen in liquid form.

<b>Can plants use pure nitrogen in the air after fixed by lightning?</b>
Yes. Every lightening that strikes breaks apart, or fixes, pure nitrogen, changing it into a form that plants can use. This type of form falls to the ground when it rains.

<u><b>What is oxidation number on nitrogen in N2?</b></u>
zero. N2 is the elemental form of nitrogen and by definition a pure element has oxidation number zero.

<b>Nitrogen gas an example of a compound?</b>
Nitrogen in any pure form is an element, not a compound. However, at standard temperature and pre