neon and argon
Argon. As an inert gas, it makes the filament last longer. Some light bulbs also use Krypton.
inert gas
Neon and argon are used in the light bulbs. Neon makes those flashy lights and argon prevents the tungsten filament from burning.
An inert noble gas is used inside light bulbs.
Argon
carbon
Usally Agron
Helium
Neon
argon
An energy saving light bulb is simply a fluorescent light-bulb in a small housing with a built in starter . The gas used for it will be the same as a standard strip-light which is a tube filled with low pressure mercuric oxide and an inert gas like Argon Neon or krypton.