Question

The valency of an object is 2 give reason why

Answer 1

Answer:

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Explanation:

The outermost orbit of a noble gas has 8 electrons- which means the octet is complete. Hence, they don't need to gain or lose electrons which other elements do to acquire a stable configuration. Thus, their valency is zero.

Answer 2

The outermost orbit of a noble gas has 8 electrons- which means the octet is complete. Hence, they don't need to gain or lose electrons which other elements do to acquire a stable configuration. Thus, their valency is zero.