Neon.
Its mostly Argon and a small amount of mercury. Its the main ingredients inside a flourescent lightbulb, which are used to light up billboards and highway signs. See the related link for more information on flourescent bulbs.
Neon can be used to light neon signs and to light glow lamps. :)
The gas used to produce red light when an electric current is passed through it is neon.
You think probably to neon (red light); but other gases can be used.
Different gases from the Noble Gas series give different colours. These include Neon, Argon, Helium, Krypton, Xenon. See Wikipedia article 'Neon Sign', there are coloured pictures in the article.
Neon is the element that glows with electricity and is commonly used in signs due to its bright and colorful light emission. It is often used in neon signs to create eye-catching displays and advertisements.
That gas is neon
Tubes used for light signs are often filled with a gas such as neon or argon. When an electrical current is passed through the gas, it emits light, producing the bright and colorful signs we see.
White.
Neon gas is commonly used in bright and flashing advertising signs because it emits a bright and colorful light when an electrical current passes through it.
Neon
Tugsten No, its Neon. like Neon signs actually its not neon because neon is used for neon lights the questions states what is used in light bulb filaments not neon lights.