Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System. - Google web.
Nitrogen makes up some of the chlorophyll in plants. This means it is right at home here with the leaves in the trees. You will need too BYOP since the container isn't big enough for a pen. It may be large enough for one small swap but that is pretty much it. No need to go on private property.