Neon is a colorless, odorless gas that belongs to the noble gases group in the periodic table. It has the atomic number 10 and is represented by the symbol Ne. Neon is found in trace amounts in the Earth's atmosphere and is primarily extracted from natural gas. This gas is best known for its use in neon signs, which emit a bright, colorful glow when an electric current passes through them. Neon lights are popular for advertising and decoration due to their vibrant colors and energy efficiency. Neon is also used in high-voltage indicators and vacuum tubes.