(a) What are noble gases? What is the characteristic of the electronic configuration of noble gases?
(b) What is the cause of chemical bonding (or chemical combination) of atoms of elements?

(a) Noble gases or inert gases are the elements that do not combine with other elements. These are placed in group 18. They are unreactive stable elements as they have 8 electrons in the outermost shell except for helium.
Example: Helium, neon, argon, krypton, xenon, and radon. 
(b) Atoms form chemical bonds to achieve stability by acquiring inert gas electron configuration (to fulfil the octet rule).


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Updated on: 10-Oct-2022


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