1. The Noble Gases
There are six noble gases. Helium, Argon Neon, Krypton. Xenon, and Radon are the six noble gases.

2. The Noble Gases
The Noble gases have complete outer energy levels – they cannot get anymore or give any electrons.
The Noble gases are not reactive – they do not form bonds

3. Helium
Helium is lighter than air. Its symbol is He and it is the second element.Helium was found on the sun before it ws found on the Earht. Helium is found in natural gas deposits. Its common uses are low-temperature cooling systems and pressure, lighter-than-air objects and purge systems

4. Neon
Neon is a noble gas. It is the tenth element and its symbol is Ne. It can be found in volcanic eruptions. It is commonly used for lights.

5. Argon
Argon is the eighteenth element in the periodic table, as well as a noble gas. It is commonly used in dating rocks with a process called Potassium-Argon dating.

6. Xenon
Xenon is the 54th element on the periodic table. Its symbol is Xe. It is commonly used to replace the halogen in headlights. It makes them brighter.

7. Krypton
Krypton is the 36th element in the periodic table. Its symbol is Kr. Its common uses are for photographic flash lamps for high speed photography

8. Radon
Radon is the 86th element on the periodic table. At normal room temperatures, radon is a colorless, odorless, radioactive gas. Small amounts of radon are sometimes used by hospitals to treat some forms of cancer