1.

Assertion (A) : In a multi-electron atom, the electrons in different subshell have different energies. Reason (R ) : Energy of an orbital depends upon n + l value.

Answer»

Both A and R are TRUE and R is the CORRECT explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is FALSE
Both Aand R are false

Answer :A


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