The atomic number is 7 and the mass number is 17. Nitrogen is in period 2, group 15 also in the nitrogen family. Nitrogen is a gas and a non-metal.
Cleaning supply used around the house or office. This is a disinfectant that kills bacteria and fungus.
When nitrogen in a liquid form it is very cold and used in refrigerators to freeze things.
Plants need nitrogen to grow. They get this from the soil they grow in.