Question

Define noble gas with example.

Answer 1

Hey mate here is your answer

noble gas make up a group of chemical elements with similar properties,they are all odorless, colorless, monatomic gases with very low chemical reactivity.

The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).

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Answer 2

Answer:

The annual increase in temperature of globe due to increase in concentration of green house gasses is known as global warming.

Six noble gases are-

Helium

Xenon

Neon

Krypton

Argon

Radon