The valency of noble gasses is zero.

True

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False

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Solution

The correct option is A True
Valency is the combining power of an element with other atoms generally with hydrogen atoms. Yes noble gases has zero valency because its combining capacity is zero. Their octet is fully filled and it do not need any removal or addition of electron for the competion of octet.

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Being monoatomic, the atomic radii of noble gasses are very small compared to the covalent radii of other elements.

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