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Assertion (A) Atoms with completely fill...

Assertion (A) Atoms with completely filled and half-filled subshells are stable.
Reason (R ) Completely filled and half filled subshells have symmetrical distribution of electrons and have maximum exchange energy.
The correct answers is

A

(A) and ( R) are correct , ( R) is the correct explanation of (A)

B

(A) and ( R) are correct , ( R) is not correct explanation of (A).

C

(A) is correct , but (R ) is correct

D

(A) is not correct, but ( R) is correct

Text Solution

Verified by Experts

The correct Answer is:
A
Atoms with half- filled and completely filled sub-shells have Symmetrical distribution of electrons and energy. Which give stability to atoms.
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