The chemically inactive gas present in the atmosphere is

Q. The chemically inactive gas present in the atmosphere is

1. Nitrogen
2. Argon
3. Water vapour
4. Oxygen

Answer: Argon

Argon is the chemically inactive gas present in the atmosphere.

Argon is a chemical element. The symbol for argon is Ar, and its atomic number (or proton number) is 18. It is a noble gas and no electrons or protons can be lost or gained from this atom.

Facts about the gases found in the atmosphere:

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• The most abundant gas in the Earth's atmosphere is nitrogen.
• The second most abundant gas is oxygen. 
• Both of these gases occur as diatomic molecules.
• Water vapor is the most variable content in the atmosphere.
• Argon atoms are found in the air. About 1% of the Earth's atmosphere (the air around us) is argon.

Similar Question:

Q. Which inert gas is mostly found in the atmosphere?
A. Argon the most abundant noble gas in Earth's atmosphere.