Statement-1 : The groundstate configuration of Cr is [Ar] `3d^(5) 4s^(1)`
Statement-2 : The energy of atom is lesser in `3d^(5)4s^(1)` configuration compared to `3d^(4)4s^(2)` configuration.

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true

Answer

A

Explanation

`psi^(2)` is the probability function
`psi` is the wave function.