An inert gas is a gas that does not easily react with other substances because it has a stable electronic structure.Inert gases, also called noble gases, belong to Group 18 of the periodic table. Their outermost electron shells are completely filled, making them chemically stable and unreactive under normal conditions. These gases exist in the atmosphere in small amounts and are all colorless, odorless, and tasteless.Examples of Inert GasesGasSymbolAtomic NumberOccurrenceHeliumHe2Found in natural gas and starsNeonNe10Used in neon lightsArgonAr18Present in Earth's atmosphereKryptonKr36Used in lightingXenonXe54Used in flash lampsRadonRn86Radioactive gas found in rocksPropertiesColorless and odorless gasesLow chemical reactivityLow boiling and melting pointsExist as single atoms (monatomic gases)UsesHelium: Used in balloons and cryogenics.Neon: Used in advertising signs.Argon: Used in welding and light bulbs.Krypton and Xenon: Used in camera flashes and lamps.

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What is inert gas

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Detailed Solution

An inert gas is a gas that does not easily react with other substances because it has a stable electronic structure.

Inert gases, also called noble gases, belong to Group 18 of the periodic table. Their outermost electron shells are completely filled, making them chemically stable and unreactive under normal conditions. These gases exist in the atmosphere in small amounts and are all colorless, odorless, and tasteless.

Examples of Inert Gases

Gas	Symbol	Atomic Number	Occurrence
Helium	He	2	Found in natural gas and stars
Neon	Ne	10	Used in neon lights
Argon	Ar	18	Present in Earth's atmosphere
Krypton	Kr	36	Used in lighting
Xenon	Xe	54	Used in flash lamps
Radon	Rn	86	Radioactive gas found in rocks