* Electronegativity: Fluorine is the most electronegative element on the periodic table. This means it has a strong attraction for electrons.

* Electron Configuration: Fluorine only needs one more electron to complete its outer shell, making it highly reactive in order to achieve stability. Nitrogen has three electrons in its outer shell, making it less eager to gain electrons.

* Bond Strength: The bonds formed by fluorine are generally weaker than those formed by nitrogen. This makes it easier to break fluorine bonds and participate in reactions.

In summary: Fluorine's high electronegativity, desire to gain one electron, and weaker bonds make it a far more reactive element than nitrogen.