Of all the samples I have acquired after starting to collect the elements, my sample for element number seven was by far the easiest to come by.

A vial of 78% pure nitrogen.

This vial contains a 78% pure sample of nitrogen.

To collect this sample, I simply took a plastic test tube from an old science kit, opened it, swished it around a little, and then sealed it. I was left with a fairly pure sample of nitrogen (those who don’t get this joke, please see THIS PAGE). It is also a 20.9% pure sample of oxygen, but I have elected to only allow each sample to represent one element.

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