Nitrogen is a very important chemical element for life on Earth.

Liquid nitrogen is used in cryotherapy to treat skin lesions.

Nitrogen dioxide is a harmful gas for the environment.

Nitric oxide is a colorless and odorless gas.

Nitrogen pentafluoride is an inorganic chemical compound.

Scientists are studying the carbon-nitrogen cycles in the marine ecosystem.

Nitrogen fixation is a fundamental chemical process for the production of natural fertilizers.

Nitrogen fixations are important for enriching the soil with nitrogen.