Nitrogen
The atomic number for nitrogen is seven. The mass number is 14.007
Nitrogen is in period two and the group name is fifteen.
Nitrogens state of matter is gas and it's a non metal.
Some real world uses of nitrogen
Fertillisers
Helps the plant grow
Explosives
From bombs to as simple as fireworks on the Fourth of July and New Years nitrogen is in it
Nylon
Heavy duty string that can be used for pretty much everything