Nitrogen

The seventh element on the periodic table. Due to its low boiling point, its liquid form is commonly used in the freezing of objects in chemistry. It is also the most common gas in the air.

Basic Information:
| Name: Nitrogen
| Symbol: N
| Number: 7
| State at STP: Gas
| Melting / Freezing Point: 63 K
| Boiling Point: 77 K

The empty space found in chip bags is nitrogen gas, to keep the crispiness of the chips inside.