Nitrogen

Nitrogen is a chemical element with the symbol N and atomic number 7. It is a nonmetal with a colorless, odorless, and tasteless diatomic gas at standard conditions. Nitrogen is an essential element for life, as it is a key component of amino acids, which are the building blocks of proteins.

Properties of Nitrogen:

Atomic number: 7
Symbol: N
Phase at room temperature: Gas
Boiling point: -195.8°C
Freezing point: -210.0°C
Density: 1.25 g/L

Uses of Nitrogen:

Nitrogen has various industrial and biological uses, including:

As a component in fertilizers to promote plant growth
In the food packaging industry to displace oxygen and extend the shelf life of packaged foods
In the production of ammonia, which is used to make various products such as fertilizers, plastics, and explosives
In the manufacturing of electronic components to create a dry and inert environment

Study Guide

Here are some key points to remember about nitrogen:

Nitrogen is a nonmetal with the symbol N and atomic number 7.
It exists as a diatomic gas at standard conditions.
Nitrogen is essential for the production of amino acids, which are the building blocks of proteins.
It is widely used in various industries, including agriculture, food packaging, and electronics.
Nitrogen has a boiling point of -195.8°C and a freezing point of -210.0°C.

Remember to study the properties, uses, and importance of nitrogen for various processes and life forms.